1999 UC3

1999UC3, 1978 WM9, 1978WM9, 1996 BT2, 1996BT2, 25385, J78W09M, J96B02T, J99U03C

All data for this body: [vot]

MPC data
Name (number) 1999 UC3 (25385)
a 2.61030
e 0.29267
i / sin(i) 4.7829 / 0.08338
q 1.84635
Q 3.37425
ω 320.5720
Node 88.3873
m 10.6281
n 0.2337
Epoch 2460800.5
nobs 1920
nopp 22
Years observed 1978-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.611
ep 0.257
sin(ip) 0.062
G 0.150
H 14.960
Mass
D 6.30 0.158
pV 0.059 0.0028
Value
Rotational Period 31.770
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6111 0.2566 0.0619 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.89 1.800 1.800 Masiero 2017AJ....154..168M NEATM
6.22 0.171 0.171 Masiero 2011ApJ...741...68M NEATM
6.35 1.880 1.880 Masiero 2021PSJ.....2..162M NEATM
6.52 1.810 1.810 Masiero 2021PSJ.....2..162M NEATM
6.58 1.950 1.950 Masiero 2020PSJ.....1....5M NEATM
6.83 0.458 0.458 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0150 0.0260 Masiero 2021PSJ.....2..162M NEATM
0.047 0.0180 0.0300 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0111 0.0111 Masiero 2011ApJ...741...68M NEATM
0.053 0.0450 0.0450 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0288 0.0288 Masiero 2017AJ....154..168M NEATM
0.060 0.0030 0.0030 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
14.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
31.779 2 Sidereal Durech 2018A&A...617A..57D Model