2015 HR21
2015HR21, K15H21R, y3846
All data for this body: [vot]
MPC data
| Name (number) |
2015 HR21 (603846) |
| a |
2.56597 |
| e |
0.12924 |
| i / sin(i) |
7.9201 /
0.13779
|
| q |
2.23433
|
| Q |
2.89761
|
| ω |
161.4925 |
| Node |
44.1647 |
| m |
158.2990 |
| n |
0.2398 |
| Epoch |
2460800.5 |
| nobs |
76 |
| nopp |
7 |
| Years observed |
2011-2023 |
| rms |
0.34 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.565 |
|
| ep |
0.165 |
|
| sin(ip) |
0.125 |
|
| G |
0.150 |
|
| H |
18.040 |
|
| 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 |
| 2.5654 |
0.1649 |
0.1253 |
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 |
| 18.04 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |