1998 XO21

1998XO21, 2000 GO154, 2000GO154, 49390, J98X21O, K00GF4O

All data for this body: [vot]

MPC data
Name (number) 1998 XO21 (49390)
a 2.89607
e 0.09760
i / sin(i) 4.8191 / 0.08401
q 2.61343
Q 3.17872
ω 50.1527
Node 287.4415
m 252.5055
n 0.2000
Epoch 2460800.5
nobs 1670
nopp 24
Years observed 1994-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Charis (627)
 
ap 2.897
ep 0.066
sin(ip) 0.103
G 0.150
H 14.800
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.257
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
627 Charis 0 Charis Novakovic 2019EPSC...13.1671N HCM
627 Charis 616 Charis Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8967 0.0655 0.1033 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
14.80 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 0.36 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.5895 0.5850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT