2009 RH31
2009RH31, 1997 ED1, 1997ED1, J97E01D, K09R31H, R4861
All data for this body: [vot]
MPC data
| Name (number) |
2009 RH31 (274861) |
| a |
2.27387 |
| e |
0.13634 |
| i / sin(i) |
7.2334 /
0.12591
|
| q |
1.96385
|
| Q |
2.58389
|
| ω |
204.4844 |
| Node |
203.6036 |
| m |
170.9806 |
| n |
0.2874 |
| Epoch |
2460800.5 |
| nobs |
180 |
| nopp |
13 |
| Years observed |
1992-2025 |
| rms |
0.94 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.274 |
|
| ep |
0.138 |
|
| sin(ip) |
0.137 |
|
| G |
0.150 |
|
| H |
17.910 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
1.006 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2739 |
0.1382 |
0.1372 |
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 |
| 17.91 |
|
|
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 |
| V |
V |
0.1677 |
0.1677 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |