Keesom

09686, 1953 SQ, 1953SQ, 1991 RL41, 1991RL41, 4604 P-L, 4604P-L, J53S00Q, J91R41L, PLS4604

All data for this body: [vot]

MPC data
Name (number) Keesom (9686)
a 2.27838
e 0.11474
i / sin(i) 2.3224 / 0.04052
q 2.01696
Q 2.53981
ω 305.3870
Node 27.6649
m 133.4597
n 0.2866
Epoch 2460200.5
nobs 1863
nopp 24
Years observed 1953-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.279
ep 0.070
sin(ip) 0.033
Value Standard error
G 0.150
H 15.400
Mass
D 2.31 0.340
pV 0.251 0.1086
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2791 0.0703 0.0326 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.31 0.340 0.340 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.251 0.1086 0.1086 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
15.40 MPC-2023-12-04 MPC-2023-12-04 Phot