2012 UM21
2012UM21, K12U21M, y1019
All data for this body: [vot]
MPC data
| Name (number) |
2012 UM21 (601019) |
| a |
2.69945 |
| e |
0.07545 |
| i / sin(i) |
9.3527 /
0.16251
|
| q |
2.49577
|
| Q |
2.90313
|
| ω |
107.1320 |
| Node |
42.2667 |
| m |
180.4453 |
| n |
0.2222 |
| Epoch |
2460800.5 |
| nobs |
124 |
| nopp |
9 |
| Years observed |
2008-2025 |
| rms |
1.00 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.700 |
|
| ep |
0.140 |
|
| sin(ip) |
0.153 |
|
| G |
0.150 |
|
| H |
17.210 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
0.829 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7000 |
0.1399 |
0.1534 |
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 |
| 17.21 |
|
|
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 |
0.0308 |
0.0690 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| V |
V |
0.1073 |
0.0690 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |