1997 EX42

1997EX42, 1990 TQ5, 1990TQ5, 1999 TS273, 1999TS273, 39759, J90T05Q, J97E42X, J99TR3S

All data for this body: [vot]

MPC data
Name (number) 1997 EX42 (39759)
a 2.65091
e 0.17531
i / sin(i) 12.8681 / 0.22271
q 2.18618
Q 3.11565
ω 352.9453
Node 331.1312
m 23.9223
n 0.2284
Epoch 2460800.5
nobs 2613
nopp 23
Years observed 1990-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.652
ep 0.151
sin(ip) 0.225
G 0.150
H 13.990
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.598
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 0.0800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6518 0.1514 0.2251 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
13.99 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 0.933 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT