1990 EX1

1990EX1, 1999 VK95, 1999VK95, 39530, J90E01X, J99V95K

All data for this body: [vot]

MPC data
Name (number) 1990 EX1 (39530)
a 3.21564
e 0.15163
i / sin(i) 11.9358 / 0.20682
q 2.72806
Q 3.70322
ω 306.0879
Node 202.9095
m 46.5014
n 0.1709
Epoch 2460800.5
nobs 2267
nopp 22
Years observed 1990-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.196
ep 0.191
sin(ip) 0.216
G 0.150
H 13.920
Mass
D 9.58 0.481
pV 0.048 0.0111
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.846
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1961 0.1906 0.2165 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.54 3.740 3.740 Masiero 2021PSJ.....2..162M NEATM
12.64 4.380 4.380 Masiero 2020PSJ.....1....5M NEATM
13.01 3.420 3.420 Masiero 2021PSJ.....2..162M NEATM
9.42 0.493 0.493 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.029 0.0130 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.031 0.0190 0.0490 Masiero 2021PSJ.....2..162M NEATM
0.033 0.0360 0.0360 Masiero 2020PSJ.....1....5M NEATM
0.072 0.0170 0.0170 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
13.92 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 X 0.1281 0.2260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
CX 0.23 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.333 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.0202 0.2260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.1324 0.2260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4888 0.2260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT