1999 RK9
1999RK9, 1998 HX52, 1998HX52, 42842, J98H52X, J99R09K
All data for this body: [vot]
MPC data
| Name (number) |
1999 RK9 (42842) |
| a |
2.19335 |
| e |
0.16300 |
| i / sin(i) |
2.6651 /
0.04650
|
| q |
1.83584
|
| Q |
2.55086
|
| ω |
33.1006 |
| Node |
352.1263 |
| m |
296.2150 |
| n |
0.3034 |
| Epoch |
2460800.5 |
| nobs |
1995 |
| nopp |
19 |
| Years observed |
1998-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.193 |
|
| ep |
0.138 |
|
| sin(ip) |
0.047 |
|
| G |
0.150 |
|
| H |
15.560 |
|
| Mass |
|
|
| D |
1.84 |
0.435 |
| pV |
0.329 |
0.1067 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1933 |
0.1381 |
0.0472 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 15.56 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |