1990 QJ4

1990QJ4, 09754, 1993 FX39, 1993FX39, J90Q04J, J93F39X

All data for this body: [vot]

MPC data
Name (number) 1990 QJ4 (9754)
a 2.41462
e 0.19099
i / sin(i) 2.4557 / 0.04285
q 1.95346
Q 2.87579
ω 123.8873
Node 156.0245
m 334.2005
n 0.2627
Epoch 2460200.5
nobs 2262
nopp 23
Years observed 1990-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.414
ep 0.184
sin(ip) 0.040
Value Standard error
G 0.150
H 14.850
Mass
D 2.76 0.762
pV 0.367 0.1959
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.1100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4139 0.1839 0.0395 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.76 0.762 0.762 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.367 0.1959 0.1959 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
14.85 MPC-2023-12-04 MPC-2023-12-04 Phot