O'Rourke
09524, 1975 NU, 1975NU, 1981 EJ5, 1981EJ5, J75N00U, J81E05J
All data for this body: [vot]
MPC data
| Name (number) |
O'Rourke (9524) |
| a |
2.19834 |
| e |
0.22503 |
| i / sin(i) |
4.9405 /
0.08612
|
| q |
1.70364
|
| Q |
2.69304
|
| ω |
10.0227 |
| Node |
286.9241 |
| m |
102.4567 |
| n |
0.3024 |
| Epoch |
2460800.5 |
| nobs |
3063 |
| nopp |
23 |
| Years observed |
1975-2025 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.198 |
|
| ep |
0.179 |
|
| sin(ip) |
0.108 |
|
| G |
0.150 |
|
| H |
14.820 |
|
| Mass |
|
|
| D |
2.92 |
0.662 |
| pV |
0.273 |
0.0867 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1980 |
0.1795 |
0.1078 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.92 |
0.662 |
0.662 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.273 |
0.0867 |
0.0867 |
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 |
| 14.82 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |