2001 MJ21
2001MJ21, 2001 MD31, 2001MD31, K01M21J, K01M31D, S5871
All data for this body: [vot]
MPC data
| Name (number) |
2001 MJ21 (285871) |
| a |
2.21384 |
| e |
0.22118 |
| i / sin(i) |
9.0239 /
0.15685
|
| q |
1.72418
|
| Q |
2.70349
|
| ω |
208.5999 |
| Node |
87.7351 |
| m |
81.5817 |
| n |
0.2992 |
| Epoch |
2460800.5 |
| nobs |
382 |
| nopp |
15 |
| Years observed |
2001-2024 |
| rms |
0.92 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.212 |
|
| ep |
0.173 |
|
| sin(ip) |
0.141 |
|
| G |
0.150 |
|
| H |
17.090 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2124 |
0.1729 |
0.1405 |
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 |
| 17.09 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |