1999 RA12
1999RA12, 2000 XU43, 2000XU43, 91438, J99R12A, K00X43U
All data for this body: [vot]
MPC data
| Name (number) |
1999 RA12 (91438) |
| a |
2.80448 |
| e |
0.12296 |
| i / sin(i) |
23.8202 /
0.40387
|
| q |
2.45963
|
| Q |
3.14932
|
| ω |
76.9887 |
| Node |
332.4244 |
| m |
105.1691 |
| n |
0.2099 |
| Epoch |
2460800.5 |
| nobs |
1870 |
| nopp |
18 |
| Years observed |
1992-2025 |
| rms |
0.72 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.806 |
|
| ep |
0.066 |
|
| sin(ip) |
0.415 |
|
| G |
0.150 |
|
| H |
14.550 |
|
| Mass |
|
|
| D |
2.90 |
0.471 |
| pV |
0.481 |
0.1013 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8059 |
0.0661 |
0.4152 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.90 |
0.471 |
0.471 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.481 |
0.1013 |
0.1013 |
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 |
| 14.55 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |