1999 LA21
1999LA21, 1996 XQ26, 1996XQ26, 40321, 4129 T-1, 4129T-1, J96X26Q, J99L21A, T1S4129
All data for this body: [vot]
MPC data
| Name (number) |
1999 LA21 (40321) |
| a |
2.28139 |
| e |
0.21127 |
| i / sin(i) |
1.7767 /
0.03100
|
| q |
1.79939
|
| Q |
2.76338
|
| ω |
212.5217 |
| Node |
99.7465 |
| m |
337.0855 |
| n |
0.2860 |
| Epoch |
2460200.5 |
| nobs |
1924 |
| nopp |
21 |
| Years observed |
1971-2023 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.281 |
|
| ep |
0.174 |
|
| sin(ip) |
0.015 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.510 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
| Rotational Period |
5.287 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2811 |
0.1739 |
0.0155 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
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 |
| 15.51 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.29 |
|
|
Waszczak |
2015AJ....150...75W |
Lightcurve |