Medea

00212, 1880 CA, 1880CA, 1930 FW, 1930FW, I80C00A, J30F00W

All data for this body: [vot]

MPC data

Name (number)	Medea (212)
a	3.11764
e	0.10296
i / sin(i)	4.2770 / 0.07458
q	2.79666
Q	3.43863
ω	105.4206
Node	312.9154
m	129.3250
n	0.1790
Epoch	2460200.5

n_obs	6810
n_opp	72
Years observed	1880-2023
rms	0.43

Best values

	Value	Standard error
Parent

a_p	3.113
e_p	0.092
sin(i_p)	0.093

	Value	Standard error
G	0.150
H	8.540
Mass	1.754e+18	3.148e+17
D	143.74	1.655
pV	0.044	0.0014

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1131	0.0918	0.0932	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Mass data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
2.6100e+18			Folkner	2014IPNPR.196C...1F	Ephem
8.9853e+17	4.4525e+17	4.4525e+17	Fienga	INPOP19a	Ephem

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
136.12	2.500	2.500	Tedesco	2002AJ....123.1056T	STM
142.56	4.005	4.005	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
146.24	7.911	7.911	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
149.87	14.990	14.990	Ali-Lagoa	2018A&A...612A..85A	NEATM
153.72	2.880	2.880	Usui	2011PASJ...63.1117U	NEATM
153.72	30.740	30.740	Ali-Lagoa	2018A&A...612A..85A	NEATM
158.29	56.830	56.830	Nugent	2016AJ....152...63N	NEATM
174.23	71.308	71.308	Masiero	2017AJ....154..168M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.024	0.0165	0.0165	Masiero	2017AJ....154..168M	NEATM
0.035	0.0140	0.0140	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.037	0.0070	0.0070	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.041	0.0045	0.0045	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
0.042	0.0024	0.0024	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
0.046	0.0020	0.0020	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
8.54			MPC-2023-12-04	MPC-2023-12-04	Phot