1998 UM49
1998UM49, 2003 QB64, 2003QB64, F7859, J98U49M, K03Q64B
All data for this body: [vot]
MPC data
| Name (number) |
1998 UM49 (157859) |
| a |
2.99154 |
| e |
0.27154 |
| i / sin(i) |
6.8723 /
0.11966
|
| q |
2.17921
|
| Q |
3.80387
|
| ω |
299.9809 |
| Node |
64.7511 |
| m |
71.3728 |
| n |
0.1905 |
| Epoch |
2460800.5 |
| nobs |
769 |
| nopp |
18 |
| Years observed |
1996-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.990 |
|
| ep |
0.230 |
|
| sin(ip) |
0.106 |
|
| G |
0.150 |
|
| H |
15.240 |
|
| Mass |
|
|
| D |
7.70 |
0.711 |
| pV |
0.033 |
0.0062 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
B |
| Spectral Class Score |
3.588 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9904 |
0.2304 |
0.1061 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 7.70 |
0.711 |
0.711 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.033 |
0.0062 |
0.0062 |
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 |
| 15.24 |
|
|
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 |
| B |
|
0.598 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |