1997 WV21
1997WV21, 1976 SJ11, 1976SJ11, 1991 RX37, 1991RX37, 1996 SW3, 1996SW3, 27999, J76S11J, J91R37X, J96S03W, J97W21V
All data for this body: [vot]
MPC data
| Name (number) |
1997 WV21 (27999) |
| a |
2.92948 |
| e |
0.04827 |
| i / sin(i) |
1.8543 /
0.03236
|
| q |
2.78808
|
| Q |
3.07088
|
| ω |
39.8243 |
| Node |
16.8990 |
| m |
83.3643 |
| n |
0.1966 |
| Epoch |
2460200.5 |
| nobs |
1907 |
| nopp |
23 |
| Years observed |
1976-2023 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
Koronis (158) |
|
| |
|
|
| ap |
2.930 |
|
| ep |
0.041 |
|
| sin(ip) |
0.035 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.830 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
|
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 158 |
Koronis |
605 |
Koronis |
0.5700 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9300 |
0.0407 |
0.0352 |
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 |
| 13.83 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |