1993 QR4

1993QR4, 14910, J93Q04R

All data for this body: [vot]

MPC data
Name (number) 1993 QR4 (14910)
a 2.56626
e 0.07649
i / sin(i) 3.5346 / 0.06165
q 2.36997
Q 2.76254
ω 99.5361
Node 12.1548
m 351.4306
n 0.2397
Epoch 2460200.5
nobs 2844
nopp 23
Years observed 1989-2023
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 14.210
Mass
D 7.37 0.195
pV 0.066 0.0109
Rotational Period 5.148
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
14.21 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.15 Waszczak 2015AJ....150...75W Lightcurve
5.16 Chang 2016ApJS..227...20C Lightcurve