2000 JE21

2000JE21, 2001 OR19, 2001OR19, 54245, K00J21E, K01O19R

All data for this body: [vot]

MPC data
Name (number) 2000 JE21 (54245)
a 2.67596
e 0.09342
i / sin(i) 6.4516 / 0.11236
q 2.42596
Q 2.92596
ω 164.9220
Node 256.9904
m 48.1276
n 0.2252
Epoch 2460800.5
nobs 2652
nopp 20
Years observed 1998-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.676
ep 0.083
sin(ip) 0.130
G 0.150
H 14.340
Mass
D 3.78 0.655
pV 0.215 0.0787
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.416
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6759 0.0826 0.1298 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.78 0.655 0.655 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.215 0.0787 0.0787 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
14.34 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
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.736 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT