Johnpardon
1996 VM21, 1996VM21, 1998 FG54, 1998FG54, 1999 TX30, 1999TX30, 22911, J96V21M, J98F54G, J99T30X
All data for this body: [vot]
MPC data
| Name (number) |
Johnpardon (22911) |
| a |
2.20517 |
| e |
0.09392 |
| i / sin(i) |
1.9125 /
0.03337
|
| q |
1.99805
|
| Q |
2.41228
|
| ω |
43.5589 |
| Node |
223.0474 |
| m |
29.6906 |
| n |
0.3010 |
| Epoch |
2460800.5 |
| nobs |
2564 |
| nopp |
21 |
| Years observed |
1996-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.205 |
|
| ep |
0.089 |
|
| sin(ip) |
0.046 |
|
| G |
0.150 |
|
| H |
15.310 |
|
| Mass |
|
|
| D |
2.48 |
0.307 |
| pV |
0.314 |
0.1066 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2052 |
0.0889 |
0.0459 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.48 |
0.307 |
0.307 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.314 |
0.1066 |
0.1066 |
Masiero |
2011ApJ...741...68M |
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 |
| 15.31 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |