2015 UN21
2015UN21, 1998 BN24, 1998BN24, J98B24N, K15U21N, p7985
All data for this body: [vot]
MPC data
| Name (number) |
2015 UN21 (517985) |
| a |
2.83924 |
| e |
0.08274 |
| i / sin(i) |
3.0085 /
0.05248
|
| q |
2.60433
|
| Q |
3.07414
|
| ω |
237.2938 |
| Node |
120.3291 |
| m |
20.2291 |
| n |
0.2060 |
| Epoch |
2460800.5 |
| nobs |
226 |
| nopp |
11 |
| Years observed |
1998-2025 |
| rms |
0.91 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.840 |
|
| ep |
0.049 |
|
| sin(ip) |
0.035 |
|
| G |
0.150 |
|
| H |
16.840 |
|
| 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 |
| 158 |
Koronis |
0 |
Koronis |
|
Novakovic |
2019EPSC...13.1671N |
HCM |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8399 |
0.0486 |
0.0354 |
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 |
| 16.84 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |