2000 GJ81

2000GJ81, 1996 MA1, 1996MA1, 31930, J96M01A, K00G81J

All data for this body: [vot]

MPC data
Name (number) 2000 GJ81 (31930)
a 2.59036
e 0.15397
i / sin(i) 12.4544 / 0.21566
q 2.19152
Q 2.98921
ω 61.5005
Node 213.6563
m 313.0859
n 0.2364
Epoch 2460800.5
nobs 1621
nopp 20
Years observed 1996-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.591
ep 0.149
sin(ip) 0.225
G 0.150
H 15.370
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 16.510
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.2700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5905 0.1494 0.2254 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
15.37 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.73 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.5763 0.7870 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7221 0.7870 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8766 0.7870 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1466 0.7870 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1890 0.7870 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT