1999 TW231
1999TW231, 1999 UR57, 1999UR57, 36220, J99TN1W, J99U57R
All data for this body: [vot]
MPC data
| Name (number) |
1999 TW231 (36220) |
| a |
3.18461 |
| e |
0.10863 |
| i / sin(i) |
15.2304 /
0.26270
|
| q |
2.83865
|
| Q |
3.53057
|
| ω |
291.8725 |
| Node |
27.5376 |
| m |
216.1602 |
| n |
0.1734 |
| Epoch |
2460800.5 |
| nobs |
1865 |
| nopp |
23 |
| Years observed |
1997-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.194 |
|
| ep |
0.079 |
|
| sin(ip) |
0.259 |
|
| G |
0.150 |
|
| H |
13.870 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
X |
| Spectral Class Score |
0.840 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1938 |
0.0786 |
0.2585 |
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 |
| 13.87 |
|
|
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 |
| X |
|
0.140 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |