1997 WJ38
1997WJ38, 1981 XP1, 1981XP1, 2000 SF209, 2000SF209, 39811, J81X01P, J97W38J, K00SK9F
All data for this body: [vot]
MPC data
| Name (number) |
1997 WJ38 (39811) |
| a |
2.17103 |
| e |
0.18407 |
| i / sin(i) |
6.3972 /
0.11142
|
| q |
1.77140
|
| Q |
2.57065
|
| ω |
298.0859 |
| Node |
65.3079 |
| m |
252.3397 |
| n |
0.3081 |
| Epoch |
2460800.5 |
| nobs |
1779 |
| nopp |
21 |
| Years observed |
1981-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.170 |
|
| ep |
0.122 |
|
| sin(ip) |
0.090 |
|
| G |
0.150 |
|
| H |
15.610 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
8.180 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1698 |
0.1220 |
0.0901 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 15.61 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |