1999XL29
1997DS, 1998QO30, 21995, J97D00S, J98Q30O, J99X29L
All data for this body: [vot]
MPC data
| Name (number) |
1999XL29 (21995) |
| Packed designation |
21995 |
| a |
2.54400 |
| e |
0.12720 |
| i / sin(i) |
6.7086 /
0.11682
|
| q |
2.22040
|
| Q |
2.86759
|
| ω |
133.3605 |
| Node |
103.2004 |
| m |
355.6021 |
| n |
0.2429 |
| Epoch |
2459600.5 |
| nobs |
1823 |
| nopp |
19 |
| Years observed |
1997-2021 |
| rms |
0.50 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.546 |
|
| ep |
0.192 |
|
| sin(ip) |
0.102 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.420 |
|
| Mass |
|
|
| D |
4.19 |
0.226 |
| pV |
0.230 |
0.0479 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5464 |
0.1918 |
0.1024 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.19 |
0.226 |
0.226 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.230 |
0.0479 |
0.0479 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 14.42 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |