1990WF4

18364, 1998HU120, 1999NQ17, J90W04F, J98HC0U, J99N17Q

All data for this body: [vot]

MPC data
Name (number) 1990WF4 (18364)
Packed designation 18364
a 3.14909
e 0.14239
i / sin(i) 11.9793 / 0.20756
q 2.70069
Q 3.59749
ω 46.7743
Node 95.4205
m 152.2414
n 0.1764
Epoch 2459600.5
nobs 1506
nopp 21
Years observed 1990-2021
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.150
ep 0.163
sin(ip) 0.190
Value Standard error
G 0.150
H 13.660
Mass
D 13.69 0.292
pV 0.033 0.0033
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1498 0.1625 0.1897 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.66 0.294 0.294 Masiero 2011ApJ...741...68M NEATM
15.52 4.320 4.320 Masiero 2021PSJ.....2..162M NEATM
16.15 5.530 5.530 Masiero 2021PSJ.....2..162M NEATM
16.16 3.940 3.940 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.023 0.0100 0.0190 Masiero 2021PSJ.....2..162M NEATM
0.025 0.0120 0.0240 Masiero 2021PSJ.....2..162M NEATM
0.025 0.0140 0.0300 Masiero 2021PSJ.....2..162M NEATM
0.034 0.0035 0.0035 Masiero 2011ApJ...741...68M 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
13.66 MPC-2022-01-18 MPC-2022-01-18 Phot