Ajax

01404, 1936 QW, 1936QW, J36Q00W

All data for this body: [vot]

MPC data
Name (number) Ajax (1404)
a 5.28491
e 0.11353
i / sin(i) 18.0307 / 0.30953
q 4.68492
Q 5.88491
ω 61.7936
Node 332.8770
m 47.4657
n 0.0811
Epoch 2460200.5
nobs 3122
nopp 41
Years observed 1936-2023
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 9.340
Mass
D 85.42 0.915
pV 0.063 0.0029
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
77.63 3.071 3.071 Ryan&Woodward 2010AJ....140..933R IRAS-STM
78.20 3.899 3.899 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
81.69 3.200 3.200 Tedesco 2002AJ....123.1056T STM
83.99 1.280 1.280 Grav 2012ApJ...759...49G NEATM
88.40 2.990 2.990 Grav 2011ApJ...742...40G NEATM
91.79 18.360 18.360 Ali-Lagoa 2018A&A...612A..85A NEATM
96.34 2.250 2.250 Usui 2011PASJ...63.1117U NEATM
98.64 19.730 19.730 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0160 0.0160 Ali-Lagoa 2018A&A...612A..85A NEATM
0.043 0.0080 0.0080 Grav 2011ApJ...742...40G NEATM
0.045 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.048 0.0090 0.0090 Grav 2012ApJ...759...49G NEATM
0.067 0.0050 0.0050 Tedesco 2002AJ....123.1056T STM
0.073 0.0074 0.0074 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.074 0.0059 0.0059 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
9.34 MPC-2023-12-04 MPC-2023-12-04 Phot