1999 VW21
1999VW21, H1578, J99V21W
All data for this body: [vot]
MPC data
| Name (number) |
1999 VW21 (171578) |
| a |
2.45731 |
| e |
0.21830 |
| i / sin(i) |
0.8210 /
0.01433
|
| q |
1.92088
|
| Q |
2.99373
|
| ω |
334.6325 |
| Node |
66.9849 |
| m |
229.3901 |
| n |
0.2559 |
| Epoch |
2460800.5 |
| nobs |
754 |
| nopp |
17 |
| Years observed |
1995-2024 |
| rms |
0.59 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.458 |
|
| ep |
0.195 |
|
| sin(ip) |
0.009 |
|
| G |
0.150 |
|
| H |
17.050 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4576 |
0.1950 |
0.0086 |
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 |
| 17.05 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |