1990 QT9

1990QT9, 10312, 1977 RY2, 1977RY2, 1992 AQ2, 1992AQ2, J77R02Y, J90Q09T, J92A02Q

All data for this body: [vot]

MPC data
Name (number) 1990 QT9 (10312)
a 2.20139
e 0.13137
i / sin(i) 1.5553 / 0.02714
q 1.91219
Q 2.49058
ω 168.3757
Node 117.2234
m 86.5893
n 0.3018
Epoch 2460200.5
nobs 2873
nopp 23
Years observed 1977-2023
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.200
ep 0.103
sin(ip) 0.021
Value Standard error
G 0.150
H 14.520
Mass
D 3.78 0.460
pV 0.258 0.0660
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2005 0.1031 0.0215 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.78 0.460 0.460 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.0660 0.0660 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
14.52 MPC-2023-12-04 MPC-2023-12-04 Phot