1999SW7

18054, 1991XT2, J91X02T, J99S07W

All data for this body: [vot]

MPC data
Name (number) 1999SW7 (18054)
Packed designation 18054
a 5.24261
e 0.01883
i / sin(i) 19.6709 / 0.33662
q 5.14389
Q 5.34132
ω 129.9202
Node 124.8157
m 40.9894
n 0.0821
Epoch 2459600.5
nobs 2308
nopp 26
Years observed 1955-2021
rms 0.42
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 10.760
Mass
D 0.02 0.023
pV 0.071 0.0046
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.02 0.023 0.023 Grav 2011ApJ...742...40G NEATM
0.07 0.708 0.708 Grav 2012ApJ...759...49G NEATM
46.79 3.310 3.310 Usui 2011PASJ...63.1117U NEATM
47.91 9.580 9.580 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.046 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.071 0.0050 0.0050 Grav 2012ApJ...759...49G NEATM
0.085 0.0160 0.0160 Grav 2011ApJ...742...40G 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
10.76 MPC-2022-01-18 MPC-2022-01-18 Phot