2012 XM139
2012XM139, h7270, K12XD9M
All data for this body: [vot]
MPC data
| Name (number) |
2012 XM139 (437270) |
| a |
2.55714 |
| e |
0.26058 |
| i / sin(i) |
5.1323 /
0.08946
|
| q |
1.89080
|
| Q |
3.22347
|
| ω |
163.5619 |
| Node |
224.8646 |
| m |
42.0699 |
| n |
0.2410 |
| Epoch |
2460800.5 |
| nobs |
866 |
| nopp |
11 |
| Years observed |
2008-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.556 |
|
| ep |
0.197 |
|
| sin(ip) |
0.100 |
|
| G |
0.150 |
|
| H |
16.620 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
4.187 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5563 |
0.1968 |
0.1001 |
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 |
| 16.62 |
|
|
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 |
0.6979 |
0.6820 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |