1999 JE54

1999JE54, 17113, 1996 XN31, 1996XN31, J96X31N, J99J54E

All data for this body: [vot]

MPC data
Name (number) 1999 JE54 (17113)
a 3.22245
e 0.13690
i / sin(i) 2.0053 / 0.03499
q 2.78129
Q 3.66361
ω 194.3649
Node 87.8537
m 152.9522
n 0.1704
Epoch 2460800.5
nobs 2626
nopp 24
Years observed 1995-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.193
ep 0.162
sin(ip) 0.014
G 0.150
H 13.800
Mass
D 9.13 0.166
pV 0.092 0.0099
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 17.903
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1928 0.1624 0.0142 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.13 0.166 0.166 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.092 0.0099 0.0099 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
13.80 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
B C 0.7027 0.5030 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.0893 0.5030 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4408 0.5030 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4502 0.5030 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5085 0.5030 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.6875 0.5030 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8075 0.5030 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT