Exoplanet Records
Radial Velocity • 2026 • Multiple Observatories
| Property | Value | Description |
|---|---|---|
| ast_flag | 0 | |
| cb_flag | 0 | |
| dec | -35.85 deg | |
| decstr | -35d50m50.46s | Dec [sexagesimal] |
| default_flag | 1 | |
| disc_facility | Multiple Observatories | Discovery Facility |
| disc_instrument | Multiple Instruments | Discovery Instrument |
| disc_locale | Ground | Discovery Locale |
| disc_pubdate | 2026-02 | Discovery Publication Date |
| disc_refname | <a refstr=HARTOGH_ET_AL_2026 href=https://ui.adsabs.harvard.edu/abs/2026arXiv260208929H/abstract target=ref>Hartogh et al. 2026</a> | Discovery Reference |
| disc_telescope | Multiple Telescopes | Discovery Telescope |
| disc_year | 2026 | |
| discoverymethod | Radial Velocity | Discovery Method |
| dkin_flag | 0 | |
| elat | -27.52 deg | |
| elon | 332.71 deg | |
| etv_flag | 0 | |
| gaia_dr2_id | Gaia DR2 6553614253923452800 | Gaia DR2 ID |
| gaia_dr3_id | Gaia DR3 6553614253923452800 | Gaia DR3 ID |
| glat | -65.99 deg | |
| glon | 5.10 deg | |
| hd_name | HD 217987 | HD ID |
| hip_name | HIP 114046 | HIP ID |
| hostname | GJ 887 | Host Name |
| htm20 | 215838338 | |
| ima_flag | 0 | |
| micro_flag | 0 | |
| obm_flag | 0 | |
| pl_bmasse | 1.46 Mearth | |
| pl_bmasseerr1 | 0.19 Mearth | |
| pl_bmasseerr2 | -0.18 Mearth | |
| pl_bmasselim | 0 | |
| pl_bmassestr | <div><span class="supersubNumber">1.46</span><span class="superscript">+0.19</span><span class="subscript">-0.18</span></div> | Planet Mass or Mass*sin(i) [Earth Mass] |
| pl_bmassj | 4.59e-3 Mjupiter | |
| pl_bmassjerr1 | 5.98e-4 Mjupiter | |
| pl_bmassjerr2 | -5.66e-4 Mjupiter | |
| pl_bmassjlim | 0 | |
| pl_bmassjstr | <div><span class="supersubNumber">0.00459</span><span class="superscript">+0.00060</span><span class="subscript">-0.00057</span></div> | Planet Mass or Mass*sin(i) [Jupiter Mass] |
| pl_bmassprov | Msini | Planet Mass or Mass*sin(i) Provenance |
| pl_cmasse | — | |
| pl_cmasseerr1 | — | |
| pl_cmasseerr2 | — | |
| pl_cmasselim | — | |
| pl_cmassestr | — | Planet Mass*sin(i)/sin(i) [Earth Mass] |
| pl_cmassj | — | |
| pl_cmassjerr1 | — | |
| pl_cmassjerr2 | — | |
| pl_cmassjlim | — | |
| pl_cmassjstr | — | Planet Mass*sin(i)/sin(i) [Jupiter Mass] |
| pl_controv_flag | 0 | |
| pl_dens | — | |
| pl_denserr1 | — | |
| pl_denserr2 | — | |
| pl_denslim | — | |
| pl_densstr | — | Planet Density [g/cm**3] |
| pl_eqt | 544 K | |
| pl_eqterr1 | 21 K | |
| pl_eqterr2 | -20 K | |
| pl_eqtlim | 0 | |
| pl_eqtstr | <div><span class="supersubNumber">544</span><span class="superscript">+21</span><span class="subscript">-20</span></div> | Equilibrium Temperature [K] |
| pl_imppar | — | |
| pl_impparerr1 | — | |
| pl_impparerr2 | — | |
| pl_impparlim | — | |
| pl_impparstr | — | Impact Parameter |
| pl_insol | 20.90 Searth | |
| pl_insolerr1 | 4 Searth | |
| pl_insolerr2 | -2.90 Searth | |
| pl_insollim | 0 | |
| pl_insolstr | <div><span class="supersubNumber">20.9</span><span class="superscript">+4.0</span><span class="subscript">-2.9</span></div> | Insolation Flux [Earth Flux] |
| pl_letter | e | Planet Letter |
| pl_masse | — | |
| pl_masseerr1 | — | |
| pl_masseerr2 | — | |
| pl_masselim | — | |
| pl_massestr | — | Planet Mass [Earth Mass] |
| pl_massj | — | |
| pl_massjerr1 | — | |
| pl_massjerr2 | — | |
| pl_massjlim | — | |
| pl_massjstr | — | Planet Mass [Jupiter Mass] |
| pl_msinie | 1.46 Mearth | |
| pl_msinieerr1 | 0.19 Mearth | |
| pl_msinieerr2 | -0.18 Mearth | |
| pl_msinielim | 0 | |
| pl_msiniestr | <div><span class="supersubNumber">1.46</span><span class="superscript">+0.19</span><span class="subscript">-0.18</span></div> | Planet Mass*sin(i) [Earth Mass] |
| pl_msinij | 4.59e-3 Mjupiter | |
| pl_msinijerr1 | 5.98e-4 Mjupiter | |
| pl_msinijerr2 | -5.66e-4 Mjupiter | |
| pl_msinijlim | 0 | |
| pl_msinijstr | <div><span class="supersubNumber">0.00459</span><span class="superscript">+0.00060</span><span class="subscript">-0.00057</span></div> | Planet Mass*sin(i) [Jupiter Mass] |
| pl_name | GJ 887 e | Planet Name |
| pl_ndispec | 0 | |
| pl_nespec | 0 | |
| pl_nnotes | 0 | |
| pl_ntranspec | 0 | |
| pl_occdep | — | |
| pl_occdeperr1 | — | |
| pl_occdeperr2 | — | |
| pl_occdeplim | — | |
| pl_occdepstr | — | Occultation Depth [%] |
| pl_orbeccen | — | |
| pl_orbeccenerr1 | — | |
| pl_orbeccenerr2 | — | |
| pl_orbeccenlim | — | |
| pl_orbeccenstr | — | Eccentricity |
| pl_orbincl | — | |
| pl_orbinclerr1 | — | |
| pl_orbinclerr2 | — | |
| pl_orbincllim | — | |
| pl_orbinclstr | — | Inclination [deg] |
| pl_orblper | — | |
| pl_orblpererr1 | — | |
| pl_orblpererr2 | — | |
| pl_orblperlim | — | |
| pl_orblperstr | — | Argument of Periastron [deg] |
| pl_orbper | 4.42 day | |
| pl_orbpererr1 | 1.40e-4 day | |
| pl_orbpererr2 | -1.30e-4 day | |
| pl_orbperlim | 0 | |
| pl_orbperstr | <div><span class="supersubNumber">4.42490</span><span class="superscript">+0.00014</span><span class="subscript">-0.00013</span></div> | Orbital Period [day] |
| pl_orbsmax | 0.04 au | |
| pl_orbsmaxerr1 | 1.40e-3 au | |
| pl_orbsmaxerr2 | -1.50e-3 au | |
| pl_orbsmaxlim | 0 | |
| pl_orbsmaxstr | <div><span class="supersubNumber">0.0417</span><span class="superscript">+0.0014</span><span class="subscript">-0.0015</span></div> | Orbit Semi-Major Axis [au] |
| pl_orbtper | — | |
| pl_orbtpererr1 | — | |
| pl_orbtpererr2 | — | |
| pl_orbtperlim | — | |
| pl_orbtperstr | — | Epoch of Periastron [day] |
| pl_projobliq | — | |
| pl_projobliqerr1 | — | |
| pl_projobliqerr2 | — | |
| pl_projobliqlim | — | |
| pl_projobliqstr | — | Projected Obliquity [deg] |
| pl_pubdate | 2026-02 | Planetary Parameter Reference Publication Date |
| pl_rade | — | |
| pl_radeerr1 | — | |
| pl_radeerr2 | — | |
| pl_radelim | — | |
| pl_radestr | — | Planet Radius [Earth Radius] |
| pl_radj | — | |
| pl_radjerr1 | — | |
| pl_radjerr2 | — | |
| pl_radjlim | — | |
| pl_radjstr | — | Planet Radius [Jupiter Radius] |
| pl_ratdor | — | |
| pl_ratdorerr1 | — | |
| pl_ratdorerr2 | — | |
| pl_ratdorlim | — | |
| pl_ratdorstr | — | Ratio of Semi-Major Axis to Stellar Radius |
| pl_ratror | — | |
| pl_ratrorerr1 | — | |
| pl_ratrorerr2 | — | |
| pl_ratrorlim | — | |
| pl_ratrorstr | — | Ratio of Planet to Stellar Radius |
| pl_refname | <a refstr=HARTOGH_ET_AL_2026 href=https://ui.adsabs.harvard.edu/abs/2026arXiv260208929H/abstract target=ref>Hartogh et al. 2026</a> | Planetary Parameter Reference |
| pl_rvamp | 0.91 m/s | |
| pl_rvamperr1 | 0.10 m/s | |
| pl_rvamperr2 | -0.10 m/s | |
| pl_rvamplim | 0 | |
| pl_rvampstr | 0.910±0.100 | Radial Velocity Amplitude [m/s] |
| pl_trandep | — | |
| pl_trandeperr1 | — | |
| pl_trandeperr2 | — | |
| pl_trandeplim | — | |
| pl_trandepstr | — | Transit Depth [%] |
| pl_trandur | — | |
| pl_trandurerr1 | — | |
| pl_trandurerr2 | — | |
| pl_trandurlim | — | |
| pl_trandurstr | — | Transit Duration [hour] |
| pl_tranmid | 2.45e6 day | |
| pl_tranmiderr1 | 0.13 day | |
| pl_tranmiderr2 | -0.13 day | |
| pl_tranmidlim | 0 | |
| pl_tranmidstr | 2453488.05±0.13 | Time of Conjunction (Transit Midpoint) [day] |
| pl_trueobliq | — | |
| pl_trueobliqerr1 | — | |
| pl_trueobliqerr2 | — | |
| pl_trueobliqlim | — | |
| pl_trueobliqstr | — | True Obliquity [deg] |
| pl_tsystemref | BJD | Time Reference Frame and Standard |
| ptv_flag | 0 | |
| pul_flag | 0 | |
| ra | 346.50 deg | |
| rastr | 23h06m00.66s | RA [sexagesimal] |
| releasedate | 2026-02-26 | Release Date |
| rowupdate | 2026-02-26 | Date of Last Update |
| rv_flag | 1 | |
| soltype | Published Confirmed | Solution Type |
| st_age | 2.90 Gyr | |
| st_ageerr1 | 8 Gyr | |
| st_ageerr2 | -2.20 Gyr | |
| st_agelim | 0 | |
| st_agestr | <div><span class="supersubNumber">2.90</span><span class="superscript">+8.00</span><span class="subscript">-2.20</span></div> | Stellar Age [Gyr] |
| st_dens | — | |
| st_denserr1 | — | |
| st_denserr2 | — | |
| st_denslim | — | |
| st_densstr | — | Stellar Density [g/cm**3] |
| st_logg | 4.16 log(cm/s**2) | |
| st_loggerr1 | 0.04 log(cm/s**2) | |
| st_loggerr2 | -0.04 log(cm/s**2) | |
| st_logglim | 0 | |
| st_loggstr | <div><span class="supersubNumber">4.156</span><span class="superscript">+0.040</span><span class="subscript">-0.038</span></div> | Stellar Surface Gravity [log(cm/s**2)] |
| st_lum | -1.43 log(Lsun) | |
| st_lumerr1 | 0.04 log(Lsun) | |
| st_lumerr2 | -0.05 log(Lsun) | |
| st_lumlim | 0 | |
| st_lumstr | <div><span class="supersubNumber">-1.43</span><span class="superscript">+0.04</span><span class="subscript">-0.05</span></div> | Stellar Luminosity [log(Solar)] |
| st_mass | 0.49 Msun | |
| st_masserr1 | 0.05 Msun | |
| st_masserr2 | -0.05 Msun | |
| st_masslim | 0 | |
| st_massstr | 0.495±0.049 | Stellar Mass [Solar mass] |
| st_met | -0.06 dex | |
| st_meterr1 | 0.08 dex | |
| st_meterr2 | -0.08 dex | |
| st_metlim | 0 | |
| st_metratio | [Fe/H] | Stellar Metallicity Ratio |
| st_metstr | -0.060±0.080 | Stellar Metallicity [dex] |
| st_nphot | 1 | |
| st_nrvc | 0 | |
| st_nspec | 2 | |
| st_rad | 0.47 Rsun | |
| st_raderr1 | 0.02 Rsun | |
| st_raderr2 | -0.02 Rsun | |
| st_radlim | 0 | |
| st_radstr | 0.468±0.022 | Stellar Radius [Solar Radius] |
| st_radv | — | |
| st_radverr1 | — | |
| st_radverr2 | — | |
| st_radvlim | — | |
| st_radvstr | — | Systemic Radial Velocity [km/s] |
| st_refname | <a refstr=HARTOGH_ET_AL_2026 href=https://ui.adsabs.harvard.edu/abs/2026arXiv260208929H/abstract target=ref>Hartogh et al. 2026</a> | Stellar Parameter Reference |
| st_rotp | 38.70 day | |
| st_rotperr1 | 0.50 day | |
| st_rotperr2 | -0.50 day | |
| st_rotplim | 0 | |
| st_rotpstr | 38.7±0.5 | Stellar Rotational Period [day] |
| st_spectype | M1 V | Spectral Type |
| st_teff | 3688 K | |
| st_tefferr1 | 86 K | |
| st_tefferr2 | -86 K | |
| st_tefflim | 0 | |
| st_teffstr | 3688±86 | Stellar Effective Temperature [K] |
| st_vsin | 2.50 km/s | |
| st_vsinerr1 | — | |
| st_vsinerr2 | — | |
| st_vsinlim | 1 | |
| st_vsinstr | <2.5 | Stellar Rotational Velocity [km/s] |
| sy_bmag | — | |
| sy_bmagerr1 | — | |
| sy_bmagerr2 | — | |
| sy_bmagstr | — | B (Johnson) Magnitude |
| sy_dist | 3.29 pc | |
| sy_disterr1 | 4.90e-4 pc | |
| sy_disterr2 | -4.90e-4 pc | |
| sy_diststr | 3.28679±0.00049 | Distance [pc] |
| sy_gaiamag | 6.52 mag | |
| sy_gaiamagerr1 | 8.96e-4 mag | |
| sy_gaiamagerr2 | -8.96e-4 mag | |
| sy_gaiamagstr | 6.521990±0.000896 | Gaia Magnitude |
| sy_gmag | — | |
| sy_gmagerr1 | — | |
| sy_gmagerr2 | — | |
| sy_gmagstr | — | g (Sloan) Magnitude |
| sy_hmag | 3.61 mag | |
| sy_hmagerr1 | 0.23 mag | |
| sy_hmagerr2 | -0.23 mag | |
| sy_hmagstr | 3.608±0.230 | H (2MASS) Magnitude |
| sy_icmag | — | |
| sy_icmagerr1 | — | |
| sy_icmagerr2 | — | |
| sy_icmagstr | — | I (Cousins) Magnitude |
| sy_imag | — | |
| sy_imagerr1 | — | |
| sy_imagerr2 | — | |
| sy_imagstr | — | i (Sloan) Magnitude |
| sy_jmag | 4.34 mag | |
| sy_jmagerr1 | 0.26 mag | |
| sy_jmagerr2 | -0.26 mag | |
| sy_jmagstr | 4.338±0.258 | J (2MASS) Magnitude |
| sy_kepmag | — | |
| sy_kepmagerr1 | — | |
| sy_kepmagerr2 | — | |
| sy_kepmagstr | — | Kepler Magnitude |
| sy_kmag | 3.46 mag | |
| sy_kmagerr1 | 0.20 mag | |
| sy_kmagerr2 | -0.20 mag | |
| sy_kmagstr | 3.465±0.200 | Ks (2MASS) Magnitude |
| sy_mnum | 0 | |
| sy_plx | 304.22 mas | |
| sy_plxerr1 | 0.05 mas | |
| sy_plxerr2 | -0.05 mas | |
| sy_plxstr | 304.219000±0.045097 | Parallax [mas] |
| sy_pm | 6895.55 mas/yr | |
| sy_pmdec | 1330.39 mas/yr | |
| sy_pmdecerr1 | 0.08 mas/yr | |
| sy_pmdecerr2 | -0.08 mas/yr | |
| sy_pmdecstr | 1330.3900000±0.0760344 | Proper Motion (Dec) [mas/yr] |
| sy_pmerr1 | 0.07 mas/yr | |
| sy_pmerr2 | -0.07 mas/yr | |
| sy_pmra | 6765.99 mas/yr | |
| sy_pmraerr1 | 0.07 mas/yr | |
| sy_pmraerr2 | -0.07 mas/yr | |
| sy_pmrastr | 6765.9900000±0.0707397 | Proper Motion (RA) [mas/yr] |
| sy_pmstr | 6895.5462606±0.0709439 | Total Proper Motion [mas/yr] |
| sy_pnum | 4 | |
| sy_refname | <a refstr=STASSUN_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....158..138S/abstract target=ref>TICv8</a> | System Parameter Reference |
| sy_rmag | — | |
| sy_rmagerr1 | — | |
| sy_rmagerr2 | — | |
| sy_rmagstr | — | r (Sloan) Magnitude |
| sy_snum | 1 | |
| sy_tmag | 5.57 mag | |
| sy_tmagerr1 | 6.10e-3 mag | |
| sy_tmagerr2 | -6.10e-3 mag | |
| sy_tmagstr | 5.5664±0.0061 | TESS Magnitude |
| sy_umag | — | |
| sy_umagerr1 | — | |
| sy_umagerr2 | — | |
| sy_umagstr | — | u (Sloan) Magnitude |
| sy_vmag | 7.56 mag | |
| sy_vmagerr1 | 0.20 mag | |
| sy_vmagerr2 | -0.20 mag | |
| sy_vmagstr | 7.56±0.20 | V (Johnson) Magnitude |
| sy_w1mag | — | |
| sy_w1magerr1 | — | |
| sy_w1magerr2 | — | |
| sy_w1magstr | — | W1 (WISE) Magnitude |
| sy_w2mag | — | |
| sy_w2magerr1 | — | |
| sy_w2magerr2 | — | |
| sy_w2magstr | — | W2 (WISE) Magnitude |
| sy_w3mag | — | |
| sy_w3magerr1 | — | |
| sy_w3magerr2 | — | |
| sy_w3magstr | — | W3 (WISE) Magnitude |
| sy_w4mag | — | |
| sy_w4magerr1 | — | |
| sy_w4magerr2 | — | |
| sy_w4magstr | — | W4 (WISE) Magnitude |
| sy_zmag | — | |
| sy_zmagerr1 | — | |
| sy_zmagerr2 | — | |
| sy_zmagstr | — | z (Sloan) Magnitude |
| tic_id | TIC 155315739 | TIC ID |
| tran_flag | 0 | |
| ttv_flag | 0 | |
| x | 0.79 | |
| y | -0.19 | |
| z | -0.59 |