1998 SG136

1998SG136, 1998 SX24, 1998SX24, 2001 EQ21, 2001EQ21, 40221, J98S24X, J98SD6G, K01E21Q

All data for this body: [vot]

MPC data
Name (number) 1998 SG136 (40221)
a 3.03475
e 0.11387
i / sin(i) 16.1202 / 0.27765
q 2.68918
Q 3.38032
ω 113.3976
Node 182.6008
m 330.3335
n 0.1864
Epoch 2460200.5
nobs 1790
nopp 21
Years observed 1998-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.034
ep 0.097
sin(ip) 0.281
Value Standard error
G 0.150
H 13.910
Mass
D 12.33 0.215
pV 0.046 0.0065
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0336 0.0970 0.2812 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.93 2.750 2.750 Masiero 2020PSJ.....1....5M NEATM
12.33 0.216 0.216 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0210 0.0210 Masiero 2020PSJ.....1....5M NEATM
0.046 0.0068 0.0068 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
13.91 MPC-2023-12-04 MPC-2023-12-04 Phot