1999 UD49

1999UD49, 1998 KS17, 1998KS17, 44878, J98K17S, J99U49D

All data for this body: [vot]

MPC data
Name (number) 1999 UD49 (44878)
a 2.43541
e 0.13166
i / sin(i) 5.0676 / 0.08833
q 2.11476
Q 2.75605
ω 16.0848
Node 274.0649
m 345.9106
n 0.2593
Epoch 2460800.5
nobs 2499
nopp 21
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.436
ep 0.117
sin(ip) 0.102
G 0.150
H 14.640
Mass
D 2.44 0.070
pV 0.619 0.0420
Value
Rotational Period 53.230
Period quality 2
Spectral Class V
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4361 0.1168 0.1024 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.44 0.070 0.070 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.619 0.0420 0.0420 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.64 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
53.236 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V Popescu NIR Mansour 2020MNRAS.491.5966M SPEC+PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT