Kalchas

04138, 1973 SM, 1973SM, 1986 VU6, 1986VU6, J73S00M, J86V06U

All data for this body: [vot]

MPC data
Name (number) Kalchas (4138)
a 5.17389
e 0.04452
i / sin(i) 2.0977 / 0.03660
q 4.94357
Q 5.40421
ω 166.9121
Node 207.9963
m 88.7463
n 0.0837
Epoch 2460200.5
nobs 4117
nopp 35
Years observed 1956-2023
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 10.200
Mass
D 46.50 0.443
pV 0.080 0.0053
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
46.07 0.600 0.600 Grav 2011ApJ...742...40G NEATM
46.46 0.670 0.670 Grav 2012ApJ...759...49G NEATM
61.04 3.490 3.490 Usui 2011PASJ...63.1117U NEATM
62.54 12.510 12.510 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.082 0.0060 0.0060 Grav 2012ApJ...759...49G NEATM
0.083 0.0130 0.0130 Grav 2011ApJ...742...40G 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
10.20 MPC-2023-12-04 MPC-2023-12-04 Phot