2021 HN31
2021HN31, ~0neo, K21H31N
All data for this body: [vot]
MPC data
| Name (number) |
2021 HN31 (810886) |
| a |
2.57171 |
| e |
0.27196 |
| i / sin(i) |
34.1168 /
0.56088
|
| q |
1.87231
|
| Q |
3.27112
|
| ω |
152.9926 |
| Node |
179.9139 |
| m |
254.7482 |
| n |
0.2390 |
| Epoch |
2460800.5 |
| nobs |
96 |
| nopp |
6 |
| Years observed |
2013-2025 |
| rms |
0.91 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.572 |
|
| ep |
0.293 |
|
| sin(ip) |
0.516 |
|
| G |
0.150 |
|
| H |
17.710 |
|
| 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 |
| 2.5724 |
0.2933 |
0.5157 |
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 |
| 17.71 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |