1998 WH1

1998WH1, 40243, J98W01H

All data for this body: [vot]

MPC data
Name (number) 1998 WH1 (40243)
a 2.32205
e 0.23460
i / sin(i) 24.2679 / 0.41101
q 1.77730
Q 2.86680
ω 218.7695
Node 205.8595
m 177.5047
n 0.2785
Epoch 2460800.5
nobs 2215
nopp 20
Years observed 1978-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.322
ep 0.231
sin(ip) 0.407
G 0.150
H 14.840
Mass
D 2.92 0.454
pV 0.263 0.0747
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.648
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 -0.4700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3218 0.2311 0.4074 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.86 0.570 0.570 Masiero 2021PSJ.....2..162M NEATM
3.03 0.751 0.751 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.235 0.0720 0.1040 Masiero 2021PSJ.....2..162M NEATM
0.334 0.1415 0.1415 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
14.84 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 0.608 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
K K 0.2694 0.2690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S K 0.0101 0.2690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT