1997 WJ20
1997WJ20, 17713, 1993 TC42, 1993TC42, 1999 GD49, 1999GD49, 2000 NX12, 2000NX12, J93T42C, J97W20J, J99G49D, K00N12X
All data for this body: [vot]
MPC data
| Name (number) |
1997 WJ20 (17713) |
| a |
2.40271 |
| e |
0.08111 |
| i / sin(i) |
4.4975 /
0.07842
|
| q |
2.20784
|
| Q |
2.59758
|
| ω |
249.8622 |
| Node |
218.6825 |
| m |
290.9373 |
| n |
0.2646 |
| Epoch |
2460200.5 |
| nobs |
1605 |
| nopp |
20 |
| Years observed |
1993-2023 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.402 |
|
| ep |
0.105 |
|
| sin(ip) |
0.091 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.390 |
|
| Mass |
|
|
| D |
2.62 |
0.518 |
| pV |
0.258 |
0.1089 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4016 |
0.1050 |
0.0906 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.62 |
0.518 |
0.518 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.258 |
0.1089 |
0.1089 |
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 |
| 15.39 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |