1998 US31
1998US31, 2000 DM14, 2000DM14, 49287, J98U31S, K00D14M
All data for this body: [vot]
MPC data
| Name (number) |
1998 US31 (49287) |
| a |
2.64464 |
| e |
0.08446 |
| i / sin(i) |
3.9264 /
0.06848
|
| q |
2.42127
|
| Q |
2.86801
|
| ω |
265.4362 |
| Node |
68.1196 |
| m |
133.7515 |
| n |
0.2292 |
| Epoch |
2460800.5 |
| nobs |
2592 |
| nopp |
22 |
| Years observed |
1991-2025 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.644 |
|
| ep |
0.055 |
|
| sin(ip) |
0.053 |
|
| G |
0.150 |
|
| H |
14.390 |
|
| Mass |
|
|
| D |
5.57 |
0.201 |
| pV |
0.143 |
0.0244 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
6.707 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6439 |
0.0550 |
0.0531 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.57 |
0.201 |
0.201 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.143 |
0.0244 |
0.0244 |
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 |
| 14.39 |
|
|
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 |
| L |
|
0.576 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| L |
L |
0.5419 |
0.5419 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |