1999 WN4

1999WN4, 1990 EV9, 1990EV9, 2002 NH14, 2002NH14, 47300, J90E09V, J99W04N, K02N14H

All data for this body: [vot]

MPC data
Name (number) 1999 WN4 (47300)
a 2.31473
e 0.21607
i / sin(i) 3.9691 / 0.06922
q 1.81458
Q 2.81488
ω 107.6068
Node 298.9987
m 286.3443
n 0.2799
Epoch 2460200.5
nobs 1905
nopp 19
Years observed 1990-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.315
ep 0.201
sin(ip) 0.084
Value Standard error
G 0.150
H 15.430
Mass
D 7.35 0.417
pV 0.035 0.0091
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3151 0.2014 0.0839 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.98 1.250 1.250 Masiero 2020PSJ.....1....5M NEATM
5.56 1.230 1.230 Masiero 2021PSJ.....2..162M NEATM
6.63 2.560 2.560 Masiero 2012ApJ...759L...8M NEATM
7.51 1.500 1.500 Ali-Lagoa 2018A&A...612A..85A NEATM
8.06 0.510 0.510 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.028 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.037 0.0750 0.0750 Masiero 2012ApJ...759L...8M NEATM
0.047 0.0150 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.059 0.0330 0.0330 Masiero 2020PSJ.....1....5M 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
15.43 MPC-2023-12-04 MPC-2023-12-04 Phot