2012 GR21
2012GR21, 2004 TB363, 2004TB363, 2007 EG98, 2007EG98, b3251, K04Ta3B, K07E98G, K12G21R
All data for this body: [vot]
MPC data
| Name (number) |
2012 GR21 (373251) |
| a |
2.81627 |
| e |
0.07924 |
| i / sin(i) |
5.0556 /
0.08812
|
| q |
2.59312
|
| Q |
3.03943
|
| ω |
120.6581 |
| Node |
158.9906 |
| m |
205.9684 |
| n |
0.2085 |
| Epoch |
2460800.5 |
| nobs |
193 |
| nopp |
16 |
| Years observed |
2002-2024 |
| rms |
0.96 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.815 |
|
| ep |
0.093 |
|
| sin(ip) |
0.087 |
|
| G |
0.150 |
|
| H |
16.920 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.571 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8147 |
0.0929 |
0.0870 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 16.92 |
|
|
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 |
| S |
S |
0.4285 |
0.4285 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |