Sirona

00116, 1871 RA, 1871RA, 1954 UC3, 1954UC3, 1998 EK13, 1998EK13, 1998 ES21, 1998ES21, I71R00A, J54U03C, J98E13K, J98E21S

All data for this body: [vot]

MPC data

Name (number)	Sirona (116)
a	2.76757
e	0.14060
i / sin(i)	3.5640 / 0.06216
q	2.37845
Q	3.15670
ω	94.1830
Node	63.6903
m	205.3151
n	0.2141
Epoch	2460200.5

n_obs	3757
n_opp	71
Years observed	1872-2023
rms	0.61

Best values

	Value	Standard error
Parent

a_p	2.768
e_p	0.175
sin(i_p)	0.048

	Value	Standard error
G	0.150
H	7.850
Mass
D	78.04	1.135
pV	0.223	0.0200
Rotational Period	12.028

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.7684	0.1751	0.0479	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
71.70	5.800	5.800	Tedesco	2002AJ....123.1056T	STM
74.58	7.460	7.460	Ali-Lagoa	2018A&A...612A..85A	NEATM
75.95	6.952	6.952	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
77.36	15.470	15.470	Ali-Lagoa	2018A&A...612A..85A	NEATM
78.28	1.210	1.210	Usui	2011PASJ...63.1117U	NEATM
84.23	6.884	6.884	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.188	0.0316	0.0316	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
0.234	0.0425	0.0425	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
0.237	0.0950	0.0950	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.255	0.0510	0.0510	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.256	0.0470	0.0470	Tedesco	2002AJ....123.1056T	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
7.85			MPC-2023-12-04	MPC-2023-12-04	Phot

Period data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
12.03			Zeigler	1985Icar...62..512Z	Lightcurve
12.03			Behrend	LCDB	Lightcurve
12.03			Durech	2023A&A...675A..24D	Model
12.03			Durech	2016A&A...587A..48D	Model
13.70			Harris	1980Icar...43...20H	Lightcurve
19.30			Bailey	1913AnHar..72..165B	Lightcurve