1990 RW4

1990RW4, 14867, 1990 QU18, 1990QU18, 1996 TK14, 1996TK14, J90Q18U, J90R04W, J96T14K

All data for this body: [vot]

MPC data
Name (number) 1990 RW4 (14867)
a 3.18133
e 0.13581
i / sin(i) 4.1579 / 0.07251
q 2.74927
Q 3.61340
ω 345.4481
Node 302.3878
m 93.1856
n 0.1737
Epoch 2460800.5
nobs 3521
nopp 26
Years observed 1990-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.179
ep 0.142
sin(ip) 0.091
G 0.150
H 13.080
Mass
D 12.83 0.308
pV 0.089 0.0103
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.032
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
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
3.1790 0.1424 0.0908 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.83 0.308 0.308 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.089 0.0103 0.0103 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
13.08 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 0.672 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT