1990 SW8
1990SW8, 19991, 1999 RK48, 1999RK48, J90S08W, J99R48K
All data for this body: [vot]
MPC data
| Name (number) |
1990 SW8 (19991) |
| a |
2.79073 |
| e |
0.13775 |
| i / sin(i) |
12.0673 /
0.20906
|
| q |
2.40632
|
| Q |
3.17514
|
| ω |
206.4242 |
| Node |
160.3526 |
| m |
22.4302 |
| n |
0.2114 |
| Epoch |
2460200.5 |
| nobs |
2878 |
| nopp |
22 |
| Years observed |
1990-2023 |
| rms |
0.59 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.789 |
|
| ep |
0.143 |
|
| sin(ip) |
0.200 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.020 |
|
| Mass |
|
|
| D |
4.53 |
0.080 |
| pV |
0.312 |
0.0368 |
| Rotational Period |
7.965 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7894 |
0.1427 |
0.1995 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.53 |
0.080 |
0.080 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.312 |
0.0368 |
0.0368 |
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 |
| 14.02 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 7.96 |
|
|
Pal |
2020ApJS..247...26P |
Lightcurve |