2002 GW18
2002GW18, 1998 HH142, 1998HH142, D2318, J98HE2H, K02G18W
All data for this body: [vot]
MPC data
| Name (number) |
2002 GW18 (132318) |
| a |
2.52529 |
| e |
0.10908 |
| i / sin(i) |
13.5382 /
0.23409
|
| q |
2.24984
|
| Q |
2.80074
|
| ω |
41.2646 |
| Node |
211.5290 |
| m |
230.5586 |
| n |
0.2456 |
| Epoch |
2460800.5 |
| nobs |
747 |
| nopp |
18 |
| Years observed |
1998-2025 |
| rms |
0.87 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.527 |
|
| ep |
0.122 |
|
| sin(ip) |
0.236 |
|
| G |
0.150 |
|
| H |
16.150 |
|
| Mass |
|
|
| D |
1.75 |
0.321 |
| pV |
0.302 |
0.0827 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.106 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5268 |
0.1224 |
0.2359 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.75 |
0.321 |
0.321 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.302 |
0.0827 |
0.0827 |
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 |
| 16.15 |
|
|
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 |
|
0.851 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| V |
V |
0.0524 |
0.0500 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |