1997 GW18
1997GW18, 2002 PR32, 2002PR32, 73909, J97G18W, K02P32R
All data for this body: [vot]
MPC data
| Name (number) |
1997 GW18 (73909) |
| a |
2.61118 |
| e |
0.16124 |
| i / sin(i) |
4.2878 /
0.07477
|
| q |
2.19016
|
| Q |
3.03219
|
| ω |
34.5663 |
| Node |
205.4273 |
| m |
208.6661 |
| n |
0.2336 |
| Epoch |
2460800.5 |
| nobs |
702 |
| nopp |
20 |
| Years observed |
1990-2025 |
| rms |
0.90 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.609 |
|
| ep |
0.211 |
|
| sin(ip) |
0.082 |
|
| G |
0.150 |
|
| H |
16.160 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
4.587 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6086 |
0.2109 |
0.0818 |
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 |
| 16.16 |
|
|
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 |
S |
0.7645 |
0.7645 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |