1998 HB87
1998HB87, 1999 XX51, 1999XX51, 44134, J98H87B, J99X51X
All data for this body: [vot]
MPC data
| Name (number) |
1998 HB87 (44134) |
| a |
2.31609 |
| e |
0.22885 |
| i / sin(i) |
2.1955 /
0.03831
|
| q |
1.78605
|
| Q |
2.84612
|
| ω |
17.3609 |
| Node |
278.1855 |
| m |
17.7192 |
| n |
0.2796 |
| Epoch |
2460200.5 |
| nobs |
1682 |
| nopp |
19 |
| Years observed |
1998-2023 |
| rms |
0.67 |
Best values
|
Value |
Standard error |
| Parent |
Nysa (44) |
|
| |
|
|
| ap |
2.316 |
|
| ep |
0.206 |
|
| sin(ip) |
0.052 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.590 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
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-Oct-2022 |
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 |