1999 RK9
1999RK9, 1998 HX52, 1998HX52, 42842, J98H52X, J99R09K
All data for this body: [vot]
MPC data
| Name (number) |
1999 RK9 (42842) |
| a |
2.19301 |
| e |
0.16330 |
| i / sin(i) |
2.6658 /
0.04651
|
| q |
1.83489
|
| Q |
2.55113
|
| ω |
32.9866 |
| Node |
352.1443 |
| m |
114.2897 |
| n |
0.3035 |
| Epoch |
2460200.5 |
| nobs |
1807 |
| nopp |
17 |
| Years observed |
1998-2023 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.193 |
|
| ep |
0.138 |
|
| sin(ip) |
0.047 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.580 |
|
| Mass |
|
|
| D |
1.84 |
0.435 |
| pV |
0.329 |
0.1067 |
| Rotational Period |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1933 |
0.1381 |
0.0472 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.84 |
0.435 |
0.435 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.329 |
0.1067 |
0.1067 |
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 |
| 15.58 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |