2004 GJ21

2004GJ21, a6741, K04G21J

All data for this body: [vot]

MPC data
Name (number) 2004 GJ21 (366741)
a 2.64218
e 0.23848
i / sin(i) 8.4372 / 0.14672
q 2.01207
Q 3.27230
ω 70.4388
Node 144.1438
m 321.0939
n 0.2295
Epoch 2460800.5
nobs 382
nopp 15
Years observed 1995-2025
rms 0.90
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.643
ep 0.255
sin(ip) 0.140
G 0.150
H 17.150
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.994
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6434 0.2546 0.1403 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
17.15 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
C 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT