Hammonia

00723, 1903 CA, 1903CA, 1911 UO, 1911UO, 1949 YR, 1949YR, 1955 FU1, 1955FU1, J03C00A, J11U00O, J49Y00R, J55F01U

All data for this body: [vot]

MPC data
Name (number) Hammonia (723)
a 2.99370
e 0.05604
i / sin(i) 4.9902 / 0.08699
q 2.82593
Q 3.16148
ω 250.9056
Node 163.1691
m 201.2021
n 0.1903
Epoch 2460200.5
nobs 9922
nopp 55
Years observed 1903-2023
rms 0.37
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.993
ep 0.039
sin(ip) 0.081
Value Standard error
G 0.150
H 10.200
Mass
D 29.13 0.632
pV 0.190 0.0105
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9932 0.0389 0.0811 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
23.46 0.990 0.990 Masiero 2012ApJ...759L...8M NEATM
28.34 1.360 1.360 Usui 2011PASJ...63.1117U NEATM
28.84 5.770 5.770 Ali-Lagoa 2018A&A...612A..85A NEATM
35.55 2.200 2.200 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
35.68 1.400 1.400 Tedesco 2002AJ....123.1056T STM
36.89 2.238 2.238 Ryan&Woodward 2010AJ....140..933R IRAS-STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.173 0.0207 0.0207 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.183 0.0150 0.0150 Tedesco 2002AJ....123.1056T STM
0.187 0.0238 0.0238 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.229 0.0920 0.0920 Ali-Lagoa 2018A&A...612A..85A NEATM
0.352 0.0480 0.0480 Masiero 2012ApJ...759L...8M 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