HD 102888 Overview

HD 102888 8.86 R_⦿ 4996.00 K

HD 102888 b

Overview Parameters Nearby Data Bibliography 2 Legend Expand All

HD 102888 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HD 102888
HD 102888 b	252.06 d	> 1808.44 M_⨁	Radial Velocity	2025	Fontanet et al. 2025	Confirmed Planet

HD 102888 Stellar Parameters (2 Solutions)

RA: 11h50m37.09s

Dec: -27d16m40.47s

Distance: 126.484+1.161-1.140
pc

Parallax: 7.878270±0.071365 mas

Ecliptic Latitude: -25.78255 deg

Ecliptic Longitude: 189.51641 deg

Galactic Latitude: 33.66562 deg

Galactic Longitude: 286.66699 deg

Total Proper Motion: 82.893056±0.080721 mas/yr

Proper Motion (RA): -82.622400±0.080902 mas/yr

Proper Motion (Dec): 6.6931100±0.0454312 mas/yr

Photometry: m_V
6.48±0.03; m_TESS
5.64398±0.00610; m_J
4.867±0.037; m_H
4.476±0.262; m_Ks
4.269±0.036; m_W1
4.142±0.336; m_W2
4.010±0.202; m_W3
4.198±0.015; m_W4
4.149±0.028; m_Gaia
6.2205300±0.0003262; m_B
7.460±0.019

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; Stellar Hosts

Source	Fontanet et al. 2025	TICv8
T_eff (K)	4990±39	4996.0±122.0
R_✶ (R_⦿)	8.60±0.17	8.86422
L_✶ (log₁₀(L_⦿))	1.616+0.011-0.011	---
Metallicity (dex)	0.07±0.03 [Fe/H]	---
M_✶ (M_⦿)	2.42±0.06	---
log g (log₁₀(cm/s²))	2.87±0.09	---
Sp. T	G8 III	---

HD 102888 b Planetary Parameters (1 Solution)

Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Fontanet et al. 2025
ω (deg)	241.20+13.33-13.62
M_p sin i (M_⨁)	1808±48
M_p sin i (M_Jup)	5.69±0.15
e	0.11±0.03
P (days)	252.06±0.24
K (m/s)	102.30+2.79-2.80
a (au)	1.050±0.001

Nearby Data (within 30 arcseconds) Browse Nearby Data

Known Objects: 1 Confirmed Planets; 1 2MASS Point Source Catalog

Data Files: 4 KELT Time Series; 1 SuperWASP Time Series; 1 Associated Literature Data

Bibliography (2 References)

Legend

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

External Link
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Debug Info

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/39/HD_102888.json

HD 102888

Catalog Parameters

11h50m37.09s

Dec

dec

-27d16m40.47s

elat

-25.78255

elon

189.51641

glat

33.66562

glon

286.66699

m_V

sy_vmag

6.48±0.03

m_TESS

sy_tmag

5.64398±0.00610

m_J

sy_jmag

4.867±0.037

m_H

sy_hmag

4.476±0.262

m_Ks

sy_kmag

4.269±0.036

sy_kepmag

no_data

m_W1

sy_w1mag

4.142±0.336

m_W2

sy_w2mag

4.010±0.202

m_W3

sy_w3mag

4.198±0.015

m_W4

sy_w4mag

4.149±0.028

sy_icmag

no_data

m_Gaia

sy_gaiamag

6.2205300±0.0003262

m_B

sy_bmag

7.460±0.019

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

82.893056±0.080721

μ_δ

sy_pmdec

6.6931100±0.0454312

μ_α

sy_pmra

-82.622400±0.080902

sy_plx

7.878270±0.071365

Distance

sy_dist

126.484+1.161-1.140

Set Parameters

R_✶

st_rad

8.86422

T_eff

st_teff

4996.0±122.0