1998 XG1

1998XG1, 2000 EH21, 2000EH21, 74371, J98X01G, K00E21H

All data for this body: [vot]

MPC data
Name (number) 1998 XG1 (74371)
a 3.00402
e 0.11542
i / sin(i) 10.8038 / 0.18745
q 2.65728
Q 3.35075
ω 235.8473
Node 232.3992
m 347.5566
n 0.1893
Epoch 2460800.5
nobs 903
nopp 21
Years observed 1998-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.003
ep 0.121
sin(ip) 0.204
G 0.150
H 15.000
Mass
D 4.02 0.257
pV 0.144 0.0345
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.733
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0032 0.1209 0.2044 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.02 0.257 0.257 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.144 0.0345 0.0345 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
15.00 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
S S 0.3692 0.5610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7530 0.5610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT