Houssay

02550, 1970 QT, 1970QT, 1970 RV, 1970RV, 1976 UP20, 1976UP20, J70Q00T, J70R00V, J76U20P

All data for this body: [vot]

MPC data
Name (number) Houssay (2550)
a 3.19599
e 0.16592
i / sin(i) 10.4095 / 0.18068
q 2.66570
Q 3.72629
ω 242.2745
Node 158.3404
m 72.8948
n 0.1725
Epoch 2460200.5
nobs 4198
nopp 32
Years observed 1970-2023
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.199
ep 0.140
sin(ip) 0.174
Value Standard error
G 0.150
H 11.610
Mass
D 24.12 0.081
pV 0.106 0.0089
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1990 0.1398 0.1739 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.48 1.480 1.480 Usui 2011PASJ...63.1117U NEATM
18.90 3.780 3.780 Ali-Lagoa 2018A&A...612A..85A NEATM
21.50 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
22.38 0.230 0.230 Masiero 2014ApJ...791..121M NEATM
24.67 0.091 0.091 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.097 0.0122 0.0122 Masiero 2011ApJ...741...68M NEATM
0.105 0.0150 0.0150 Masiero 2012ApJ...759L...8M NEATM
0.131 0.0520 0.0520 Ali-Lagoa 2018A&A...612A..85A NEATM
0.160 0.0300 0.0300 Masiero 2014ApJ...791..121M 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
11.61 MPC-2023-12-04 MPC-2023-12-04 Phot