1999 JE4

1999JE4, 2000 UD53, 2000UD53, G0039, J99J04E, K00U53D

All data for this body: [vot]

MPC data
Name (number) 1999 JE4 (160039)
a 2.43553
e 0.21303
i / sin(i) 14.4127 / 0.24890
q 1.91670
Q 2.95436
ω 255.8269
Node 43.8452
m 243.7834
n 0.2593
Epoch 2460800.5
nobs 1040
nopp 19
Years observed 1999-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent Chimaera (623)
 
ap 2.437
ep 0.147
sin(ip) 0.246
G 0.150
H 15.770
Mass
D 2.18 0.677
pV 0.234 0.1802
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.778
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
623 Chimaera 0 Chimaera Novakovic 2019EPSC...13.1671N HCM
623 Chimaera 414 Chimaera -0.6300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4370 0.1473 0.2458 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.18 0.677 0.677 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.234 0.1802 0.1802 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
15.77 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 0.963 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT