1998 QW99
1998QW99, 2000 AP173, 2000AP173, 40164, J98Q99W, K00AH3P
All data for this body: [vot]
MPC data
| Name (number) |
1998 QW99 (40164) |
| a |
3.07158 |
| e |
0.16024 |
| i / sin(i) |
12.5463 /
0.21723
|
| q |
2.57939
|
| Q |
3.56376
|
| ω |
171.4324 |
| Node |
151.5868 |
| m |
6.9739 |
| n |
0.1831 |
| Epoch |
2460800.5 |
| nobs |
1199 |
| nopp |
24 |
| Years observed |
1996-2025 |
| rms |
0.83 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.073 |
|
| ep |
0.145 |
|
| sin(ip) |
0.200 |
|
| G |
0.150 |
|
| H |
14.710 |
|
| Mass |
|
|
| D |
5.47 |
0.635 |
| pV |
0.065 |
0.0065 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
X |
| Spectral Class Score |
2.194 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0732 |
0.1451 |
0.2000 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.47 |
0.635 |
0.635 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.065 |
0.0065 |
0.0065 |
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 |
| 14.71 |
|
|
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 |
X |
0.1566 |
0.2770 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| X |
X |
0.3657 |
0.2770 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |