1991 VA1
1991VA1, 08674, 1988 DU4, 1988DU4, 1990 ON, 1990ON, J88D04U, J90O00N, J91V01A
All data for this body: [vot]
MPC data
| Name (number) |
1991 VA1 (8674) |
| a |
3.23181 |
| e |
0.10141 |
| i / sin(i) |
10.2444 /
0.17785
|
| q |
2.90407
|
| Q |
3.55954
|
| ω |
65.6053 |
| Node |
244.6689 |
| m |
358.7360 |
| n |
0.1696 |
| Epoch |
2460800.5 |
| nobs |
3666 |
| nopp |
28 |
| Years observed |
1988-2025 |
| rms |
0.67 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.232 |
|
| ep |
0.084 |
|
| sin(ip) |
0.197 |
|
| G |
0.150 |
|
| H |
12.700 |
|
| Mass |
|
|
| D |
8.57 |
0.239 |
| pV |
0.289 |
0.0503 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.974 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.2320 |
0.0836 |
0.1970 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 8.57 |
0.239 |
0.239 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.289 |
0.0503 |
0.0503 |
Masiero |
2011ApJ...741...68M |
NEATM |
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 |
| 12.70 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |