1998 HN21
1998HN21, 1999 TK29, 1999TK29, 44114, J98H21N, J99T29K
All data for this body: [vot]
MPC data
| Name (number) |
1998 HN21 (44114) |
| a |
2.18174 |
| e |
0.05332 |
| i / sin(i) |
4.8496 /
0.08454
|
| q |
2.06540
|
| Q |
2.29808
|
| ω |
120.8263 |
| Node |
201.2767 |
| m |
20.6090 |
| n |
0.3058 |
| Epoch |
2460800.5 |
| nobs |
1091 |
| nopp |
19 |
| Years observed |
1998-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.182 |
|
| ep |
0.048 |
|
| sin(ip) |
0.102 |
|
| G |
0.150 |
|
| H |
16.410 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
9.914 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1821 |
0.0477 |
0.1016 |
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 |
| 16.41 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |