1998 WV18
1998WV18, 1998 XR96, 1998XR96, 2000 AH184, 2000AH184, 40246, J98W18V, J98X96R, K00AI4H
All data for this body: [vot]
MPC data
| Name (number) |
1998 WV18 (40246) |
| a |
3.94075 |
| e |
0.14158 |
| i / sin(i) |
11.2818 /
0.19564
|
| q |
3.38281
|
| Q |
4.49869
|
| ω |
306.7651 |
| Node |
243.4321 |
| m |
21.6701 |
| n |
0.1260 |
| Epoch |
2460800.5 |
| nobs |
3277 |
| nopp |
24 |
| Years observed |
1998-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.967 |
|
| ep |
0.207 |
|
| sin(ip) |
0.212 |
|
| G |
0.150 |
|
| H |
12.280 |
|
| Mass |
|
|
| D |
19.91 |
0.260 |
| pV |
0.077 |
0.0120 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
5.668 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.9669 |
0.2074 |
0.2119 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 19.91 |
0.260 |
0.260 |
Grav |
2012ApJ...744..197G |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.077 |
0.0120 |
0.0120 |
Grav |
2012ApJ...744..197G |
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 |
| 12.28 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| D |
D |
0.9447 |
0.9447 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |