1991 EE

1991EE, 09856, J91E00E

All data for this body: [vot]

MPC data
Name (number) 1991 EE (9856)
a 2.24266
e 0.62583
i / sin(i) 9.8293 / 0.17071
q 0.83914
Q 3.64619
ω 116.1770
Node 168.1057
m 13.3158
n 0.2935
Epoch 2460800.5
nobs 1288
nopp 17
Years observed 1991-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 17.110
Mass
D 0.93 0.260
pV 0.249 0.1678
Value
Rotational Period 3.040
Period quality 3
Spectral Class V
Spectral Class Score 3.853
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.91 0.390 0.390 Masiero 2020PSJ.....1....5M NEATM
0.94 0.350 0.350 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.245 0.2580 0.2580 Masiero 2020PSJ.....1....5M NEATM
0.252 0.2210 0.2210 Masiero 2020PSJ.....1....5M 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
17.11 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.0416 3 Synodic Warner 2018MPBu...45..366W Lightcurve
3.045 3 Synodic Wisniewski 1997Icar..126..395W Lightcurve
3.048 3 Synodic Warner 2019MPBu...46...27W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V 0.400 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.0451 0.0630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.0931 0.0630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.1039 0.0630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT