Protogeneia

00147, 1875NA, I75N00A

All data for this body: [vot]

MPC data

Name (number)	Protogeneia (147)
Packed designation	00147
a	3.13503
e	0.02312
i / sin(i)	1.9330 / 0.03373
q	3.06255
Q	3.20752
ω	101.7697
Node	248.2526
m	86.6465
n	0.1776
Epoch	2459600.5

n_obs	3974
n_opp	68
Years observed	1875-2022
rms	0.55

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	8.780
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-Jan-2022

Mass data

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

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
96.06	22.550	22.550	Nugent	2016AJ....152...63N	NEATM
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

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-2022-01-18	MPC-2022-01-18	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
8.78			MPC-2022-01-18	MPC-2022-01-18	Phot