Protogeneia

00147, 1875 NA, 1875NA, I75N00A

All data for this body: [vot]

MPC data

Name (number)	Protogeneia (147)
a	3.13725
e	0.02267
i / sin(i)	1.9325 / 0.03372
q	3.06614
Q	3.20835
ω	103.1951
Node	248.2185
m	191.7169
n	0.1774
Epoch	2460200.5

n_obs	5008
n_opp	69
Years observed	1875-2023
rms	0.54

Best values

	Value	Standard error
Parent

a_p	3.136
e_p	0.004
sin(i_p)	0.053

	Value	Standard error
G	0.150
H	8.790
Mass	1.624e+18	1.864e+17
D	113.71	1.355
pV	0.055	0.0021

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1365	0.0036	0.0531	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Mass data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
2.7200e+18			Folkner	2014IPNPR.196C...1F	Ephem
5.2832e+17	2.6355e+17	2.6355e+17	Fienga	INPOP19a	Ephem

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
101.86	20.370	20.370	Ali-Lagoa	2018A&A...612A..85A	NEATM
103.88	10.390	10.390	Ali-Lagoa	2018A&A...612A..85A	NEATM
108.41	1.670	1.670	Usui	2011PASJ...63.1117U	NEATM
122.32	2.863	2.863	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
132.93	5.100	5.100	Tedesco	2002AJ....123.1056T	STM
135.13	9.172	9.172	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
161.27	64.835	64.835	Masiero	2017AJ....154..168M	NEATM
96.06	22.550	22.550	Nugent	2016AJ....152...63N	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.026	0.0289	0.0289	Masiero	2017AJ....154..168M	NEATM
0.049	0.0067	0.0067	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
0.049	0.0040	0.0040	Tedesco	2002AJ....123.1056T	STM
0.057	0.0110	0.0110	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.058	0.0027	0.0027	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
0.059	0.0240	0.0240	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.060	0.0400	0.0400	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
8.79			MPC-2023-12-04	MPC-2023-12-04	Phot