1998 XU2

1998XU2, 2000 EP91, 2000EP91, 49378, J98X02U, K00E91P

All data for this body: [vot]

MPC data
Name (number) 1998 XU2 (49378)
a 2.67396
e 0.17701
i / sin(i) 12.0669 / 0.20905
q 2.20065
Q 3.14728
ω 40.7866
Node 341.2217
m 59.5585
n 0.2254
Epoch 2460800.5
nobs 2406
nopp 21
Years observed 1993-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.673
ep 0.143
sin(ip) 0.216
G 0.150
H 14.350
Mass
D 6.18 0.136
pV 0.127 0.0195
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 4.626
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 0.2300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6730 0.1427 0.2164 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.18 0.136 0.136 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.127 0.0195 0.0195 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
14.35 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
X 0.771 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT