1999 XX89
1999XX89, D7709, J99X89X
All data for this body: [vot]
MPC data
| Name (number) |
1999 XX89 (137709) |
| a |
2.42901 |
| e |
0.20670 |
| i / sin(i) |
4.8333 /
0.08426
|
| q |
1.92693
|
| Q |
2.93110
|
| ω |
144.7259 |
| Node |
258.2559 |
| m |
291.4298 |
| n |
0.2604 |
| Epoch |
2460800.5 |
| nobs |
979 |
| nopp |
16 |
| Years observed |
1999-2025 |
| rms |
0.77 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.429 |
|
| ep |
0.187 |
|
| sin(ip) |
0.100 |
|
| G |
0.150 |
|
| H |
16.060 |
|
| Mass |
|
|
| D |
1.70 |
0.557 |
| pV |
0.385 |
0.1715 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.4290 |
0.1870 |
0.1003 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.70 |
0.557 |
0.557 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.385 |
0.1715 |
0.1715 |
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 |
| 16.06 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |