1998 WP4
1998WP4, 1982 UA3, 1982UA3, 40244, J82U03A, J98W04P
All data for this body: [vot]
MPC data
| Name (number) |
1998 WP4 (40244) |
| a |
1.91412 |
| e |
0.08284 |
| i / sin(i) |
24.6735 /
0.41745
|
| q |
1.75555
|
| Q |
2.07269
|
| ω |
258.5109 |
| Node |
201.5657 |
| m |
108.5973 |
| n |
0.3722 |
| Epoch |
2460200.5 |
| nobs |
1996 |
| nopp |
18 |
| Years observed |
1982-2023 |
| rms |
0.61 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
1.914 |
|
| ep |
0.052 |
|
| sin(ip) |
0.420 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.170 |
|
| Mass |
|
|
| D |
3.12 |
0.023 |
| pV |
0.220 |
0.0438 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 1.9140 |
0.0519 |
0.4204 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.12 |
0.023 |
0.023 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.220 |
0.0438 |
0.0438 |
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 |
| 15.17 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |