1990UE4

16509, 1979YM4, 1998HL133, J79Y04M, J90U04E, J98HD3L

All data for this body: [vot]

MPC data
Name (number) 1990UE4 (16509)
Packed designation 16509
a 3.14302
e 0.15512
i / sin(i) 6.1959 / 0.10793
q 2.65549
Q 3.63056
ω 300.5737
Node 131.9045
m 191.5594
n 0.1769
Epoch 2459600.5
nobs 2006
nopp 24
Years observed 1979-2021
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.153
ep 0.133
sin(ip) 0.092
Value Standard error
G 0.150
H 13.500
Mass
D 11.02 0.186
pV 0.045 0.0062
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1534 0.1328 0.0922 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.19 1.640 1.640 Masiero 2012ApJ...759L...8M NEATM
11.04 0.187 0.187 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0067 0.0067 Masiero 2011ApJ...741...68M NEATM
0.051 0.0170 0.0170 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.50 MPC-2022-01-18 MPC-2022-01-18 Phot