2017 UR21
2017UR21, K17U21R, s0621
All data for this body: [vot]
MPC data
| Name (number) |
2017 UR21 (540621) |
| a |
2.77563 |
| e |
0.02989 |
| i / sin(i) |
5.5867 /
0.09735
|
| q |
2.69266
|
| Q |
2.85860
|
| ω |
200.5518 |
| Node |
79.8423 |
| m |
186.8253 |
| n |
0.2131 |
| Epoch |
2460200.5 |
| nobs |
121 |
| nopp |
9 |
| Years observed |
2008-2022 |
| rms |
0.89 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.777 |
|
| ep |
0.045 |
|
| sin(ip) |
0.078 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
17.180 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7772 |
0.0450 |
0.0784 |
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 |
| 17.18 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |