1997 EA31

1997EA31, 1997 GU28, 1997GU28, 1999 TL45, 1999TL45, 39758, J97E31A, J97G28U, J99T45L

All data for this body: [vot]

MPC data
Name (number) 1997 EA31 (39758)
a 2.93230
e 0.09098
i / sin(i) 5.0210 / 0.08752
q 2.66552
Q 3.19908
ω 308.0684
Node 359.7367
m 101.7456
n 0.1963
Epoch 2460800.5
nobs 1381
nopp 18
Years observed 1997-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent 1999 CG1 (15477)
 
ap 2.931
ep 0.080
sin(ip) 0.092
G 0.150
H 14.810
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 1.641
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15477 1999 CG1 628 1999CG1 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9308 0.0800 0.0922 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
14.81 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
D D 0.2735 0.2735 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.16 Bus VIS Carvano 2010A&A...510A..43C PHOT