1990 QS2

1990QS2, 07521, 1983 HQ1, 1983HQ1, 1985 SB4, 1985SB4, 1986 WC7, 1986WC7, J83H01Q, J85S04B, J86W07C, J90Q02S

All data for this body: [vot]

MPC data
Name (number) 1990 QS2 (7521)
a 2.90155
e 0.01239
i / sin(i) 2.6508 / 0.04625
q 2.86561
Q 2.93749
ω 8.7753
Node 143.1346
m 87.1925
n 0.1994
Epoch 2460200.5
nobs 3882
nopp 29
Years observed 1983-2023
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.901
ep 0.045
sin(ip) 0.036
Value Standard error
G 0.150
H 13.080
Mass
D 7.61 0.188
pV 0.254 0.0484
Rotational Period 5.040
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 605 Koronis 0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9014 0.0455 0.0356 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.61 0.188 0.188 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.254 0.0484 0.0484 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
13.08 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.56 Durech 2023A&A...675A..24D Model
4.56 Durech 2020A&A...643A..59D Model
5.04 Erasmus 2020ApJS..247...13E Lightcurve