Johngray
1998 SS147, 1998SS147, 2001 DX21, 2001DX21, 91199, J98SE7S, K01D21X
All data for this body: [vot]
MPC data
| Name (number) |
Johngray (91199) |
| a |
3.23144 |
| e |
0.06760 |
| i / sin(i) |
22.0908 /
0.37608
|
| q |
3.01301
|
| Q |
3.44987
|
| ω |
166.9363 |
| Node |
31.3529 |
| m |
37.7152 |
| n |
0.1697 |
| Epoch |
2460800.5 |
| nobs |
2753 |
| nopp |
21 |
| Years observed |
1998-2025 |
| rms |
0.66 |
Best values
|
Value |
Standard error |
| Parent |
Alauda (702) |
|
| |
|
|
| ap |
3.237 |
|
| ep |
0.092 |
|
| sin(ip) |
0.363 |
|
| G |
0.150 |
|
| H |
13.400 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
39.763 |
| Period quality |
2 |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.2370 |
0.0918 |
0.3629 |
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 |
| 13.40 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 39.7637 |
2 |
Synodic |
Pal |
2020ApJS..247...26P |
Lightcurve |