1990 QT9
1990QT9, 10312, 1977 RY2, 1977RY2, 1992 AQ2, 1992AQ2, J77R02Y, J90Q09T, J92A02Q
All data for this body: [vot]
MPC data
| Name (number) |
1990 QT9 (10312) |
| a |
2.20002 |
| e |
0.13246 |
| i / sin(i) |
1.5557 /
0.02715
|
| q |
1.90861
|
| Q |
2.49144
|
| ω |
168.3567 |
| Node |
117.2083 |
| m |
267.7428 |
| n |
0.3020 |
| Epoch |
2460800.5 |
| nobs |
3459 |
| nopp |
24 |
| Years observed |
1977-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.200 |
|
| ep |
0.103 |
|
| sin(ip) |
0.021 |
|
| G |
0.150 |
|
| H |
14.460 |
|
| Mass |
|
|
| D |
3.78 |
0.460 |
| pV |
0.258 |
0.0660 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2005 |
0.1031 |
0.0215 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.78 |
0.460 |
0.460 |
Masiero |
2012ApJ...759L...8M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.258 |
0.0660 |
0.0660 |
Masiero |
2012ApJ...759L...8M |
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 |
| 14.46 |
|
|
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 |
|
|
DeMeo-Carry |
VIS |
Choi |
2023PSJ.....4...49C |
PHOT |