1999 XY172
1999XY172, 49919, J99XH2Y
All data for this body: [vot]
MPC data
| Name (number) |
1999 XY172 (49919) |
| a |
2.38439 |
| e |
0.08341 |
| i / sin(i) |
2.3874 /
0.04166
|
| q |
2.18551
|
| Q |
2.58328
|
| ω |
99.5953 |
| Node |
348.9101 |
| m |
332.9602 |
| n |
0.2677 |
| Epoch |
2460800.5 |
| nobs |
1849 |
| nopp |
21 |
| Years observed |
1989-2025 |
| rms |
0.79 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.384 |
|
| ep |
0.098 |
|
| sin(ip) |
0.045 |
|
| G |
0.150 |
|
| H |
15.300 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
X |
| Spectral Class Score |
9.980 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3843 |
0.0979 |
0.0452 |
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 |
| 15.30 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |