1999 JO21
1999JO21, 2000 SY192, 2000SY192, 44584, J99J21O, K00SJ2Y
All data for this body: [vot]
MPC data
| Name (number) |
1999 JO21 (44584) |
| a |
2.46818 |
| e |
0.17373 |
| i / sin(i) |
1.6046 /
0.02800
|
| q |
2.03938
|
| Q |
2.89699
|
| ω |
274.5172 |
| Node |
340.4201 |
| m |
76.5588 |
| n |
0.2542 |
| Epoch |
2460200.5 |
| nobs |
1004 |
| nopp |
21 |
| Years observed |
1992-2023 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
Nysa (44) |
|
| |
|
|
| ap |
2.465 |
|
| ep |
0.190 |
|
| sin(ip) |
0.040 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.870 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 44 |
Nysa |
405 |
Nysa-Polana |
0.3300 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4648 |
0.1901 |
0.0401 |
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 |
| 15.87 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |