2000 HC21
2000HC21, 2001 TF79, 2001TF79, 81542, K00H21C, K01T79F
All data for this body: [vot]
MPC data
| Name (number) |
2000 HC21 (81542) |
| a |
2.58659 |
| e |
0.30749 |
| i / sin(i) |
4.4383 /
0.07739
|
| q |
1.79125
|
| Q |
3.38193
|
| ω |
174.6428 |
| Node |
163.3886 |
| m |
281.1694 |
| n |
0.2369 |
| Epoch |
2460800.5 |
| nobs |
1982 |
| nopp |
21 |
| Years observed |
1996-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.588 |
|
| ep |
0.257 |
|
| sin(ip) |
0.071 |
|
| G |
0.150 |
|
| H |
14.720 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.963 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5876 |
0.2571 |
0.0707 |
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 |
| 14.72 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |