1999 UD31
1999UD31, 1996 XT18, 1996XT18, 1999 RM105, 1999RM105, 43008, J96X18T, J99RA5M, J99U31D
All data for this body: [vot]
MPC data
| Name (number) |
1999 UD31 (43008) |
| a |
2.34879 |
| e |
0.18854 |
| i / sin(i) |
1.9684 /
0.03435
|
| q |
1.90594
|
| Q |
2.79165
|
| ω |
204.1461 |
| Node |
126.2198 |
| m |
70.9500 |
| n |
0.2738 |
| Epoch |
2460800.5 |
| nobs |
1815 |
| nopp |
20 |
| Years observed |
1996-2025 |
| rms |
0.81 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.348 |
|
| ep |
0.151 |
|
| sin(ip) |
0.024 |
|
| G |
0.150 |
|
| H |
15.780 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
2.641 |
| Period quality |
2 |
| Spectral Class |
S |
| Spectral Class Score |
5.952 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3481 |
0.1512 |
0.0238 |
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 |
| 15.78 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 2.64138 |
2 |
Synodic |
Pravec |
2019Icar..333..429P |
Lightcurve |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
|
0.992 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |