Helibrochier

1986 XZ4, 1986XZ4, 1998 FH32, 1998FH32, 2000 WL143, 2000WL143, 21392, J86X04Z, J98F32H, K00WE3L

All data for this body: [vot]

MPC data
Name (number) Helibrochier (21392)
a 2.28045
e 0.10741
i / sin(i) 6.3300 / 0.11025
q 2.03551
Q 2.52540
ω 201.6025
Node 197.7534
m 83.8805
n 0.2862
Epoch 2460800.5
nobs 2376
nopp 21
Years observed 1986-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.281
ep 0.098
sin(ip) 0.118
G 0.150
H 15.130
Mass
D
pV
Value
Rotational Period 13.730
Period quality 2-
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2807 0.0978 0.1182 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.13 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.6766 2 Sidereal Durech 2023A&A...675A..24D Model
13.736 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve