2001 UN21
2001UN21, 55481, K01U21N
All data for this body: [vot]
MPC data
| Name (number) |
2001 UN21 (55481) |
| a |
2.99487 |
| e |
0.06820 |
| i / sin(i) |
9.9601 /
0.17296
|
| q |
2.79063
|
| Q |
3.19910
|
| ω |
276.2474 |
| Node |
264.3615 |
| m |
26.5834 |
| n |
0.1902 |
| Epoch |
2460800.5 |
| nobs |
2947 |
| nopp |
21 |
| Years observed |
1999-2025 |
| rms |
0.63 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.995 |
|
| ep |
0.101 |
|
| sin(ip) |
0.195 |
|
| G |
0.150 |
|
| H |
13.940 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
3.512 |
| Period quality |
2 |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9948 |
0.1011 |
0.1950 |
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 |
| 13.94 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |