1999 SM6

1999SM6, 1998 KX43, 1998KX43, 40721, J98K43X, J99S06M

All data for this body: [vot]

MPC data
Name (number) 1999 SM6 (40721)
a 2.59200
e 0.09738
i / sin(i) 13.7875 / 0.23832
q 2.33959
Q 2.84442
ω 153.0239
Node 54.9433
m 197.6920
n 0.2362
Epoch 2460800.5
nobs 2424
nopp 22
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.592
ep 0.140
sin(ip) 0.224
G 0.150
H 14.260
Mass
D 3.58 0.105
pV 0.380 0.0533
Value
Rotational Period 6.913
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5919 0.1398 0.2238 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.58 0.105 0.105 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.380 0.0533 0.0533 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
14.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.9131 2 Sidereal Durech 2023A&A...675A..24D Model