1998 WR18
1998WR18, 2000 AY142, 2000AY142, 49365, J98W18R, K00AE2Y
All data for this body: [vot]
MPC data
| Name (number) |
1998 WR18 (49365) |
| a |
2.69677 |
| e |
0.09611 |
| i / sin(i) |
6.7321 /
0.11723
|
| q |
2.43757
|
| Q |
2.95597
|
| ω |
19.1217 |
| Node |
255.0710 |
| m |
132.2186 |
| n |
0.2226 |
| Epoch |
2460800.5 |
| nobs |
2853 |
| nopp |
21 |
| Years observed |
1998-2025 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.697 |
|
| ep |
0.102 |
|
| sin(ip) |
0.134 |
|
| G |
0.150 |
|
| H |
13.960 |
|
| Mass |
|
|
| D |
4.48 |
0.349 |
| pV |
0.291 |
0.0921 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
15.870 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6968 |
0.1017 |
0.1335 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.48 |
0.349 |
0.349 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.291 |
0.0921 |
0.0921 |
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 |
| 13.96 |
|
|
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 |
| S |
|
0.760 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| S |
S |
0.8902 |
0.6470 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| S |
S |
0.9948 |
0.6470 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |