1997 WL18
1997WL18, 2001 XJ229, 2001XJ229, F2655, J97W18L, K01XM9J
All data for this body: [vot]
MPC data
| Name (number) |
1997 WL18 (152655) |
| a |
2.42791 |
| e |
0.12550 |
| i / sin(i) |
4.1421 /
0.07223
|
| q |
2.12321
|
| Q |
2.73260
|
| ω |
62.9289 |
| Node |
275.0320 |
| m |
148.4140 |
| n |
0.2605 |
| Epoch |
2460800.5 |
| nobs |
506 |
| nopp |
17 |
| Years observed |
1997-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
Sulamitis (752) |
|
| |
|
|
| ap |
2.428 |
|
| ep |
0.089 |
|
| sin(ip) |
0.089 |
|
| G |
0.150 |
|
| H |
16.650 |
|
| Mass |
|
|
| D |
2.98 |
0.834 |
| pV |
0.055 |
0.0259 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4282 |
0.0891 |
0.0886 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.98 |
0.834 |
0.834 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.055 |
0.0259 |
0.0259 |
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 |
| 16.65 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |