Summa

01928, 1938 SO, 1938SO, 1969 PA, 1969PA, J38S00O, J69P00A

All data for this body: [vot]

MPC data
Name (number) Summa (1928)
a 2.47733
e 0.20229
i / sin(i) 4.5755 / 0.07977
q 1.97618
Q 2.97848
ω 157.8059
Node 180.3515
m 294.2321
n 0.2528
Epoch 2460200.5
nobs 4231
nopp 30
Years observed 1938-2023
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.476
ep 0.165
sin(ip) 0.082
Value Standard error
G 0.150
H 12.860
Mass
D 9.33 0.170
pV 0.160 0.0435
Rotational Period 6.855
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4762 0.1654 0.0817 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.33 0.170 0.170 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.0435 0.0435 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
12.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.85 Hills 2013MPBu...40...12H Lightcurve
6.86 Owings 2013MPBu...40..104O Lightcurve
9.66 Binzel 1987Icar...72..135B Lightcurve