1998 HN121
1998HN121, 1999 UK50, 1999UK50, 44152, J98HC1N, J99U50K
All data for this body: [vot]
MPC data
| Name (number) |
1998 HN121 (44152) |
| a |
2.34485 |
| e |
0.11803 |
| i / sin(i) |
7.3830 /
0.12850
|
| q |
2.06808
|
| Q |
2.62162
|
| ω |
136.2170 |
| Node |
173.5266 |
| m |
115.8210 |
| n |
0.2745 |
| Epoch |
2460800.5 |
| nobs |
1913 |
| nopp |
20 |
| Years observed |
1998-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.344 |
|
| ep |
0.082 |
|
| sin(ip) |
0.130 |
|
| G |
0.150 |
|
| H |
15.600 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
V |
| Spectral Class Score |
8.861 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3437 |
0.0816 |
0.1302 |
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 |
| 15.60 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |