1997 AH2
1997AH2, 2000 VA57, 2000VA57, 90887, J97A02H, K00V57A
All data for this body: [vot]
MPC data
| Name (number) |
1997 AH2 (90887) |
| a |
2.67438 |
| e |
0.17567 |
| i / sin(i) |
2.6415 /
0.04609
|
| q |
2.20456
|
| Q |
3.14419
|
| ω |
130.6518 |
| Node |
321.4645 |
| m |
194.1441 |
| n |
0.2254 |
| Epoch |
2460800.5 |
| nobs |
737 |
| nopp |
18 |
| Years observed |
1997-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.673 |
|
| ep |
0.180 |
|
| sin(ip) |
0.060 |
|
| G |
0.150 |
|
| H |
15.900 |
|
| Mass |
|
|
| D |
3.22 |
0.070 |
| pV |
0.107 |
0.0163 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6731 |
0.1797 |
0.0603 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.22 |
0.070 |
0.070 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.107 |
0.0163 |
0.0163 |
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 |
| 15.90 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |