2012 GJ21
2012GJ21, K12G21J, p6974
All data for this body: [vot]
MPC data
| Name (number) |
2012 GJ21 (516974) |
| a |
3.21730 |
| e |
0.20681 |
| i / sin(i) |
19.6495 /
0.33627
|
| q |
2.55193
|
| Q |
3.88268
|
| ω |
128.3736 |
| Node |
64.1649 |
| m |
107.9372 |
| n |
0.1708 |
| Epoch |
2460800.5 |
| nobs |
130 |
| nopp |
9 |
| Years observed |
2006-2025 |
| rms |
0.85 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
|
|
| ep |
|
|
| sin(ip) |
|
|
| G |
0.150 |
|
| H |
16.280 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
0.119 |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 16.28 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| D |
D |
0.0198 |
0.0080 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |