1998 WJ3

1998WJ3, 16971, 1977 AH1, 1977AH1, J77A01H, J98W03J

All data for this body: [vot]

MPC data
Name (number) 1998 WJ3 (16971)
a 2.69526
e 0.11060
i / sin(i) 14.0100 / 0.24209
q 2.39716
Q 2.99336
ω 70.2025
Node 92.4346
m 292.0978
n 0.2227
Epoch 2460800.5
nobs 3669
nopp 23
Years observed 1974-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.693
ep 0.144
sin(ip) 0.228
G 0.150
H 12.900
Mass
D 7.71 0.178
pV 0.247 0.0324
Value
Rotational Period 43.110
Period quality 2
Spectral Class S
Spectral Class Score 9.533
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.7400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6931 0.1444 0.2278 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.71 0.178 0.178 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.247 0.0324 0.0324 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
12.90 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
43.112 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.502 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.90 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.7888 0.7888 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT