2015 HY257
2015HY257, ~0qSc, 2020 UD46, 2020UD46, K15HP7Y, K20U46D
All data for this body: [vot]
MPC data
| Name (number) |
2015 HY257 (821662) |
| a |
2.29987 |
| e |
0.16409 |
| i / sin(i) |
4.6882 /
0.08173
|
| q |
1.92248
|
| Q |
2.67726
|
| ω |
297.1270 |
| Node |
254.5576 |
| m |
328.1489 |
| n |
0.2826 |
| Epoch |
2460800.5 |
| nobs |
89 |
| nopp |
7 |
| Years observed |
2005-2025 |
| rms |
0.45 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.300 |
|
| ep |
0.206 |
|
| sin(ip) |
0.099 |
|
| G |
0.150 |
|
| H |
18.720 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2998 |
0.2059 |
0.0988 |
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 |
| 18.72 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |