1998 HQ54
1998HQ54, 1999 RC170, 1999RC170, A0863, J98H54Q, J99RH0C
All data for this body: [vot]
MPC data
| Name (number) |
1998 HQ54 (100863) |
| a |
2.36906 |
| e |
0.13976 |
| i / sin(i) |
4.7850 /
0.08342
|
| q |
2.03796
|
| Q |
2.70016
|
| ω |
217.4491 |
| Node |
339.7490 |
| m |
154.0186 |
| n |
0.2703 |
| Epoch |
2460800.5 |
| nobs |
647 |
| nopp |
19 |
| Years observed |
1996-2025 |
| rms |
0.88 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.370 |
|
| ep |
0.174 |
|
| sin(ip) |
0.090 |
|
| G |
0.150 |
|
| H |
16.470 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.475 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3700 |
0.1741 |
0.0899 |
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 |
| 16.47 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |