Semafor

19364, 1997SM1, J97S01M

All data for this body: [vot]

MPC data
Name (number) Semafor (19364)
Packed designation 19364
a 2.68208
e 0.10712
i / sin(i) 13.4035 / 0.23181
q 2.39479
Q 2.96938
ω 6.5206
Node 199.0117
m 335.9808
n 0.2244
Epoch 2459600.5
nobs 2721
nopp 22
Years observed 1953-2022
rms 0.55
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 12.760
Mass
D 7.06 0.132
pV 0.204 0.0244
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-Jan-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-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.76 MPC-2022-01-18 MPC-2022-01-18 Phot