2001 PJ21
2001PJ21, 1997 UO11, 1997UO11, H8910, J97U11O, K01P21J
All data for this body: [vot]
MPC data
| Name (number) |
2001 PJ21 (178910) |
| a |
2.60959 |
| e |
0.26201 |
| i / sin(i) |
5.0334 /
0.08774
|
| q |
1.92586
|
| Q |
3.29332
|
| ω |
2.2507 |
| Node |
21.4513 |
| m |
187.7919 |
| n |
0.2338 |
| Epoch |
2460800.5 |
| nobs |
731 |
| nopp |
16 |
| Years observed |
1997-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.611 |
|
| ep |
0.202 |
|
| sin(ip) |
0.080 |
|
| G |
0.150 |
|
| H |
16.300 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6107 |
0.2021 |
0.0797 |
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 |
| 16.30 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |