Zita

00689, 1909 RA, 1909RA, 1916 RB, 1916RB, J09R00A, J16R00B

All data for this body: [vot]

MPC data

Name (number)	Zita (689)
a	2.31543
e	0.22952
i / sin(i)	5.7424 / 0.10006
q	1.78399
Q	2.84687
ω	188.4140
Node	168.1226
m	124.0724
n	0.2797
Epoch	2460200.5

n_obs	4614
n_opp	38
Years observed	1909-2023
rms	0.57

Best values

	Value	Standard error
Parent

a_p	2.316
e_p	0.190
sin(i_p)	0.098

	Value	Standard error
G	0.150
H	12.290
Mass
D	15.68	0.136
pV	0.113	0.0075

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.3159	0.1903	0.0983	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
10.49	2.010	2.010	Masiero	2020PSJ.....1....5M	NEATM
13.85	1.052	1.052	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
14.36	0.600	0.600	Tedesco	2002AJ....123.1056T	STM
15.62	0.230	0.230	Masiero	2014ApJ...791..121M	NEATM
15.75	3.150	3.150	Ali-Lagoa	2018A&A...612A..85A	NEATM
15.99	0.184	0.184	Masiero	2011ApJ...741...68M	NEATM
16.12	1.040	1.040	Usui	2011PASJ...63.1117U	NEATM
16.86	3.319	3.319	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
17.65	3.530	3.530	Ali-Lagoa	2018A&A...612A..85A	NEATM
9.09	1.810	1.810	Nugent	2016AJ....152...63N	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.078	0.0310	0.0310	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.096	0.0224	0.0224	Masiero	2011ApJ...741...68M	NEATM
0.098	0.0390	0.0390	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.100	0.0689	0.0689	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
0.100	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM
0.118	0.0110	0.0110	Tedesco	2002AJ....123.1056T	STM
0.130	0.0188	0.0188	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
0.185	0.0970	0.0970	Masiero	2020PSJ.....1....5M	NEATM
0.280	0.0900	0.0900	Nugent	2016AJ....152...63N	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
12.29			MPC-2023-12-04	MPC-2023-12-04	Phot