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 |
2.28198 |
| e |
0.21212 |
| i / sin(i) |
1.7770 /
0.03101
|
| q |
1.79792
|
| Q |
2.76603
|
| ω |
212.6736 |
| Node |
99.7412 |
| m |
148.4287 |
| n |
0.2859 |
| Epoch |
2460800.5 |
| nobs |
2098 |
| nopp |
22 |
| Years observed |
1971-2025 |
| rms |
0.77 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.281 |
|
| ep |
0.174 |
|
| sin(ip) |
0.015 |
|
| G |
0.150 |
|
| H |
15.490 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
5.280 |
| Period quality |
2 |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2811 |
0.1739 |
0.0155 |
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 |
| 15.49 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 5.287 |
2 |
Synodic |
Waszczak |
2015AJ....150...75W |
Lightcurve |