1998 HB87
1998HB87, 1999 XX51, 1999XX51, 44134, J98H87B, J99X51X
All data for this body: [vot]
MPC data
| Name (number) |
1998 HB87 (44134) |
| a |
2.31622 |
| e |
0.23027 |
| i / sin(i) |
2.1997 /
0.03838
|
| q |
1.78286
|
| Q |
2.84958
|
| ω |
17.6240 |
| Node |
278.1161 |
| m |
185.0949 |
| n |
0.2796 |
| Epoch |
2460800.5 |
| nobs |
1764 |
| nopp |
20 |
| Years observed |
1998-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
Nysa (44) |
|
| |
|
|
| ap |
2.316 |
|
| ep |
0.206 |
|
| sin(ip) |
0.052 |
|
| G |
0.150 |
|
| H |
15.590 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 44 |
Nysa |
405 |
Nysa-Polana |
-0.9600 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3164 |
0.2065 |
0.0519 |
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 |
| 15.59 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |