1998 QA1
1998QA1, J98Q01A, Z6991
All data for this body: [vot]
MPC data
| Name (number) |
1998 QA1 (356991) |
| a |
2.10187 |
| e |
0.53420 |
| i / sin(i) |
8.1928 /
0.14251
|
| q |
0.97905
|
| Q |
3.22468
|
| ω |
333.1771 |
| Node |
298.8469 |
| m |
288.4981 |
| n |
0.3234 |
| Epoch |
2460800.5 |
| nobs |
197 |
| nopp |
7 |
| Years observed |
1998-2023 |
| rms |
0.63 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.160 |
|
| ep |
0.666 |
|
| sin(ip) |
0.466 |
|
| G |
0.150 |
|
| H |
19.070 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
0.143 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.1598 |
0.6665 |
0.4661 |
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 |
| 19.07 |
|
|
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 |
| C |
C |
0.0238 |
0.0238 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |