Cyrene

00133, 1873 QA, 1873QA, 1910 NB, 1910NB, 1936 HO, 1936HO, 1948 QC, 1948QC, 1959 UR, 1959UR, I73Q00A, J10N00B, J36H00O, J48Q00C, J59U00R

All data for this body: [vot]

MPC data

Name (number)	Cyrene (133)
a	3.06270
e	0.13430
i / sin(i)	7.2135 / 0.12557
q	2.65139
Q	3.47401
ω	290.3603
Node	318.9926
m	73.3693
n	0.1839
Epoch	2460200.5

n_obs	4970
n_opp	64
Years observed	1873-2023
rms	0.47

Best values

	Value	Standard error
Parent

a_p	3.063
e_p	0.153
sin(i_p)	0.146

	Value	Standard error
G	0.150
H	8.110
Mass
D	71.68	0.579
pV	0.217	0.0108

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.0631	0.1534	0.1461	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
75.41	15.080	15.080	Ali-Lagoa	2018A&A...612A..85A	NEATM
59.54	3.041	3.041	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
63.84	2.820	2.820	Masiero	2012ApJ...759L...8M	NEATM
66.57	6.000	6.000	Tedesco	2002AJ....123.1056T	STM
70.92	0.900	0.900	Usui	2011PASJ...63.1117U	NEATM
72.17	0.930	0.930	Masiero	2014ApJ...791..121M	NEATM
74.46	7.450	7.450	Ali-Lagoa	2018A&A...612A..85A	NEATM
80.49	1.879	1.879	Masiero	2011ApJ...741...68M	NEATM
83.86	6.950	6.950	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.171	0.0287	0.0287	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
0.176	0.0168	0.0168	Masiero	2011ApJ...741...68M	NEATM
0.219	0.0880	0.0880	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.220	0.0400	0.0400	Masiero	2014ApJ...791..121M	NEATM
0.224	0.0450	0.0450	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.256	0.0530	0.0530	Tedesco	2002AJ....123.1056T	STM
0.279	0.0290	0.0290	Masiero	2012ApJ...759L...8M	NEATM
0.326	0.0323	0.0323	Ryan&Woodward	2010AJ....140..933R	IRAS-STM

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
8.11			MPC-2023-12-04	MPC-2023-12-04	Phot