1991 EJ

1991EJ, 13060, 1997 WT29, 1997WT29, J91E00J, J97W29T

All data for this body: [vot]

MPC data
Name (number) 1991 EJ (13060)
a 5.14848
e 0.12271
i / sin(i) 22.9497 / 0.38992
q 4.51670
Q 5.78025
ω 97.7880
Node 280.4369
m 118.0573
n 0.0844
Epoch 2460800.5
nobs 3207
nopp 27
Years observed 1953-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 10.790
Mass
D 36.15 2.040
pV 0.071 0.0180
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 21.027
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
36.15 2.040 2.040 Grav 2012ApJ...759...49G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0180 0.0180 Grav 2012ApJ...759...49G 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
10.79 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 0.788 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
D D 0.8210 0.9110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.9327 0.9110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.9628 0.9110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT