1993 QR4

1993QR4, 14910, J93Q04R

All data for this body: [vot]

MPC data
Name (number) 1993 QR4 (14910)
a 2.56735
e 0.07662
i / sin(i) 3.5337 / 0.06164
q 2.37064
Q 2.76406
ω 99.8870
Node 12.1515
m 134.8918
n 0.2396
Epoch 2460800.5
nobs 3315
nopp 24
Years observed 1989-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.567
ep 0.118
sin(ip) 0.056
G 0.150
H 14.160
Mass
D 7.37 0.195
pV 0.066 0.0109
Value
Rotational Period 5.140
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5669 0.1183 0.0564 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.13 2.351 2.351 Masiero 2017AJ....154..168M NEATM
7.14 2.210 2.210 Masiero 2021PSJ.....2..162M NEATM
7.36 0.200 0.200 Masiero 2012ApJ...759L...8M NEATM
7.73 2.002 2.002 Masiero 2017AJ....154..168M NEATM
7.92 1.980 1.980 Masiero 2021PSJ.....2..162M NEATM
8.05 2.130 2.130 Masiero 2021PSJ.....2..162M NEATM
8.08 3.450 3.450 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0200 0.0200 Masiero 2017AJ....154..168M NEATM
0.050 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.051 0.0292 0.0292 Masiero 2017AJ....154..168M NEATM
0.062 0.0230 0.0370 Masiero 2021PSJ.....2..162M NEATM
0.071 0.0270 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.087 0.0470 0.1000 Masiero 2021PSJ.....2..162M NEATM
0.099 0.0210 0.0210 Masiero 2012ApJ...759L...8M 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
14.16 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.148 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
5.16 2 Synodic Chang 2016ApJS..227...20C Lightcurve