HD 102888 Overview

HD 102888 8.86 R_⦿ 4996.00 K

HD 102888 b

Overview System Parameters Nearby Data Legend

Architecture: HD 102888; HD 102888

Other Data: Bibliography 2; Nearby Data 5

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
HD 102888	HD 102888 b	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: 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 Solutions)

Status: Confirmed Planet
Detected By: Radial Velocity

Tools

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 (5 Data Types within 30 arcseconds)

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)

System

Star

Confirmed

Candidate

False Positive Planet

Controversial

False Positive

Aliases

Data Access

Transit Prediction Service

Time Series

Kepler | K2

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