Semafor

19364, 1997 SM1, 1997SM1, J97S01M

All data for this body: [vot]

MPC data
Name (number) Semafor (19364)
a 2.68087
e 0.10669
i / sin(i) 13.4048 / 0.23183
q 2.39486
Q 2.96689
ω 6.3877
Node 199.0126
m 110.8090
n 0.2245
Epoch 2460200.5
nobs 3551
nopp 23
Years observed 1953-2023
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.682
ep 0.149
sin(ip) 0.233
Value Standard error
G 0.150
H 12.860
Mass
D 7.06 0.132
pV 0.204 0.0244
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6821 0.1492 0.2332 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.06 0.132 0.132 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.204 0.0244 0.0244 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