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 2.31460
e 0.21617
i / sin(i) 3.9701 / 0.06924
q 1.81425
Q 2.81495
ω 107.4904
Node 298.9759
m 94.3694
n 0.2799
Epoch 2460800.5
nobs 2242
nopp 20
Years observed 1990-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.315
ep 0.201
sin(ip) 0.084
G 0.150
H 15.390
Mass
D 7.35 0.417
pV 0.035 0.0091
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.874
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
163 Erigone 0 Erigone Novakovic 2019EPSC...13.1671N HCM
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-Nov-2024
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
15.39 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.979 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT