1999 XT228
1999XT228, 2003 YM90, 2003YM90, D4709, J99XM8T, K03Y90M
All data for this body: [vot]
MPC data
| Name (number) |
1999 XT228 (134709) |
| a |
2.52218 |
| e |
0.11735 |
| i / sin(i) |
5.1313 /
0.08944
|
| q |
2.22620
|
| Q |
2.81816
|
| ω |
267.9920 |
| Node |
89.2001 |
| m |
215.5718 |
| n |
0.2461 |
| Epoch |
2460800.5 |
| nobs |
624 |
| nopp |
20 |
| Years observed |
1999-2025 |
| rms |
0.84 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.522 |
|
| ep |
0.066 |
|
| sin(ip) |
0.073 |
|
| G |
0.150 |
|
| H |
16.310 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
0.727 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5216 |
0.0662 |
0.0734 |
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 |
| 16.31 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| D |
D |
0.1212 |
0.1212 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |