1991 AB2
1991AB2, 11512, 1969 UO1, 1969UO1, 1996 TG51, 1996TG51, J69U01O, J91A02B, J96T51G
All data for this body: [vot]
MPC data
| Name (number) |
1991 AB2 (11512) |
| a |
2.26679 |
| e |
0.12504 |
| i / sin(i) |
4.0352 /
0.07037
|
| q |
1.98334
|
| Q |
2.55023
|
| ω |
333.0024 |
| Node |
175.4561 |
| m |
175.6738 |
| n |
0.2888 |
| Epoch |
2460200.5 |
| nobs |
3451 |
| nopp |
21 |
| Years observed |
1990-2023 |
| rms |
0.54 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.268 |
|
| ep |
0.177 |
|
| sin(ip) |
0.079 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
13.870 |
|
| Mass |
|
|
| D |
4.35 |
0.072 |
| pV |
0.372 |
0.0557 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2677 |
0.1768 |
0.0787 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.35 |
0.072 |
0.072 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.372 |
0.0557 |
0.0557 |
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 |
| 13.87 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |