2015 HJ21
2015HJ21, 2004 FP156, 2004FP156, 2011 CG60, 2011CG60, 2011 ER1, 2011ER1, K04FF6P, K11C60G, K11E01R, K15H21J, l2992
All data for this body: [vot]
MPC data
| Name (number) |
2015 HJ21 (472992) |
| a |
2.36214 |
| e |
0.14834 |
| i / sin(i) |
2.7579 /
0.04812
|
| q |
2.01174
|
| Q |
2.71254
|
| ω |
92.6305 |
| Node |
149.0440 |
| m |
250.2078 |
| n |
0.2715 |
| Epoch |
2460800.5 |
| nobs |
114 |
| nopp |
9 |
| Years observed |
2004-2024 |
| rms |
0.90 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.361 |
|
| ep |
0.165 |
|
| sin(ip) |
0.043 |
|
| G |
0.150 |
|
| H |
18.220 |
|
| 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 |
| 135 |
Hertha |
0 |
Hertha |
|
Novakovic |
2019EPSC...13.1671N |
HCM |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3611 |
0.1646 |
0.0430 |
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 |
| 18.22 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |