1998 UE21

1998UE21, 2000 EH133, 2000EH133, 52986, J98U21E, K00ED3H

All data for this body: [vot]

MPC data
Name (number) 1998 UE21 (52986)
a 2.30225
e 0.13834
i / sin(i) 0.2560 / 0.00447
q 1.98375
Q 2.62074
ω 130.7965
Node 229.0307
m 248.7409
n 0.2821
Epoch 2460800.5
nobs 2546
nopp 20
Years observed 1998-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.302
ep 0.100
sin(ip) 0.020
G 0.150
H 15.350
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.271
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3019 0.0996 0.0198 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
15.35 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
L L 0.5106 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.24 Bus VIS Carvano 2010A&A...510A..43C PHOT
S L 0.1882 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S L 0.2769 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT