2008 GJ21

2008GJ21, K08G21J, T5239

All data for this body: [vot]

MPC data
Name (number) 2008 GJ21 (295239)
a 2.36705
e 0.15037
i / sin(i) 0.8818 / 0.01539
q 2.01111
Q 2.72298
ω 61.0880
Node 186.3959
m 216.7637
n 0.2706
Epoch 2460800.5
nobs 305
nopp 13
Years observed 2005-2024
rms 0.88
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.365
ep 0.164
sin(ip) 0.022
G 0.150
H 17.780
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 0.110
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia -0.4300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3651 0.1640 0.0225 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
17.78 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V V 0.0183 0.0183 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT