1990 QZ4

1990QZ4, 07286, 1991 XE3, 1991XE3, J90Q04Z, J91X03E

All data for this body: [vot]

MPC data
Name (number) 1990 QZ4 (7286)
a 3.12968
e 0.20980
i / sin(i) 15.1674 / 0.26164
q 2.47307
Q 3.78629
ω 238.7579
Node 137.5395
m 63.6083
n 0.1780
Epoch 2460800.5
nobs 5408
nopp 28
Years observed 1990-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.129
ep 0.172
sin(ip) 0.249
G 0.150
H 12.400
Mass
D 21.65 0.110
pV 0.044 0.0061
Value
Rotational Period 44.633
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1288 0.1724 0.2490 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
21.56 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
24.91 7.550 7.550 Masiero 2020PSJ.....1....5M NEATM
25.37 0.740 0.740 Usui 2011PASJ...63.1117U NEATM
26.32 5.260 5.260 Ali-Lagoa 2018A&A...612A..85A NEATM
28.47 7.630 7.630 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.024 0.0140 0.0140 Masiero 2020PSJ.....1....5M NEATM
0.024 0.0170 0.0170 Masiero 2020PSJ.....1....5M NEATM
0.036 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.060 0.0087 0.0087 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
12.40 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
44.6331 2 Synodic Pal 2020ApJS..247...26P Lightcurve