1998 QJ74
1998QJ74, 2001 ES21, 2001ES21, 91160, J98Q74J, K01E21S
All data for this body: [vot]
MPC data
| Name (number) |
1998 QJ74 (91160) |
| a |
3.16166 |
| e |
0.05944 |
| i / sin(i) |
14.4334 /
0.24926
|
| q |
2.97373
|
| Q |
3.34960
|
| ω |
69.7001 |
| Node |
317.5514 |
| m |
234.7118 |
| n |
0.1753 |
| Epoch |
2460800.5 |
| nobs |
1026 |
| nopp |
19 |
| Years observed |
1998-2024 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.159 |
|
| ep |
0.040 |
|
| sin(ip) |
0.265 |
|
| G |
0.150 |
|
| H |
14.510 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
10.061 |
| Period quality |
2 |
| Spectral Class |
D |
| Spectral Class Score |
0.895 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1589 |
0.0403 |
0.2654 |
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 |
| 14.51 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 10.0613 |
2 |
Sidereal |
Durech |
2023A&A...675A..24D |
Model |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| D |
D |
0.1491 |
0.1491 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |