1998 UD4
1998UD4, 2000 EU27, 2000EU27, 44434, J98U04D, K00E27U
All data for this body: [vot]
MPC data
| Name (number) |
1998 UD4 (44434) |
| a |
2.24991 |
| e |
0.17772 |
| i / sin(i) |
7.2404 /
0.12603
|
| q |
1.85006
|
| Q |
2.64976
|
| ω |
219.6581 |
| Node |
82.4965 |
| m |
25.3541 |
| n |
0.2920 |
| Epoch |
2460800.5 |
| nobs |
2747 |
| nopp |
22 |
| Years observed |
1954-2025 |
| rms |
0.71 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.250 |
|
| ep |
0.130 |
|
| sin(ip) |
0.108 |
|
| G |
0.150 |
|
| H |
14.630 |
|
| Mass |
|
|
| D |
3.00 |
0.659 |
| pV |
0.342 |
0.1870 |
|
Value |
| Rotational Period |
3.680 |
| Period quality |
2 |
| Spectral Class |
V |
| Spectral Class Score |
9.366 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2502 |
0.1301 |
0.1080 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.00 |
0.659 |
0.659 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.342 |
0.1870 |
0.1870 |
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 |
| 14.63 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 3.67963 |
2 |
Sidereal |
Durech |
2023A&A...675A..24D |
Model |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| V |
|
0.561 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |
| V |
V |
1.0000 |
1.0000 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |