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

n_obs	9922
n_opp	55
Years observed	1903-2023
rms	0.37

Best values

	Value	Standard error
Parent

a_p	2.993
e_p	0.039
sin(i_p)	0.081

	Value	Standard error
G	0.150
H	10.200
Mass
D	29.13	0.632
pV	0.190	0.0105
Rotational Period	5.436

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.9932	0.0389	0.0811	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

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

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

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
10.20			MPC-2023-12-04	MPC-2023-12-04	Phot

Period data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
5.43			Durech	2019A&A...631A...2D	Model
5.43			Durech	2023A&A...675A..24D	Model
5.43			Durech	2018A&A...620A..91D	Model
5.43			Shevchenko	2015LPI....46.1509S	Lightcurve
5.44			Wilawer	2022MNRAS.513.3242W	Lightcurve
5.44			Behrend	LCDB	Lightcurve