1999XA5
21980, J99X05A
All data for this body: [vot]
MPC data
| Name (number) |
1999XA5 (21980) |
| Packed designation |
21980 |
| a |
2.95191 |
| e |
0.08505 |
| i / sin(i) |
2.2906 /
0.03997
|
| q |
2.70084
|
| Q |
3.20298
|
| ω |
195.4808 |
| Node |
144.7101 |
| m |
203.5428 |
| n |
0.1943 |
| Epoch |
2459600.5 |
| nobs |
1232 |
| nopp |
20 |
| Years observed |
1997-2021 |
| rms |
0.54 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.950 |
|
| ep |
0.060 |
|
| sin(ip) |
0.030 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.740 |
|
| Mass |
|
|
| D |
3.62 |
0.650 |
| pV |
0.162 |
0.1005 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9501 |
0.0598 |
0.0302 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.62 |
0.650 |
0.650 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.162 |
0.1005 |
0.1005 |
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 |
| 14.74 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |