1998 WJ1

1998WJ1, 42785, J98W01J

All data for this body: [vot]

MPC data
Name (number) 1998 WJ1 (42785)
a 2.31656
e 0.23271
i / sin(i) 25.4939 / 0.43041
q 1.77748
Q 2.85564
ω 156.6705
Node 210.8164
m 227.4833
n 0.2795
Epoch 2460800.5
nobs 1532
nopp 22
Years observed 1987-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.317
ep 0.250
sin(ip) 0.417
G 0.150
H 14.690
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.434
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.5600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3167 0.2502 0.4174 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.69 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
B C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S 0.739 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT