Porta Coeli

PortaCoeli, 03276, 1974 HO1, 1974HO1, 1982 RZ1, 1982RZ1, 1984 AA1, 1984AA1, J74H01O, J82R01Z, J84A01A

All data for this body: [vot]

MPC data

Name (number)	Porta Coeli (3276)
a	3.13016
e	0.15861
i / sin(i)	2.6576 / 0.04637
q	2.63369
Q	3.62664
ω	343.2974
Node	70.9603
m	121.6866
n	0.1780
Epoch	2460200.5

n_obs	4446
n_opp	34
Years observed	1974-2023
rms	0.52

Best values

	Value	Standard error
Parent	Themis (24)

a_p	3.122
e_p	0.146
sin(i_p)	0.029

	Value	Standard error
G	0.150
H	12.600
Mass
D	18.41	0.320
pV	0.058	0.0075
Rotational Period

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
24	Themis	602	Themis	-0.1800	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1218	0.1465	0.0285	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
18.41	0.320	0.320	Masiero	2012ApJ...759L...8M	NEATM
20.38	7.022	7.022	Masiero	2017AJ....154..168M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.028	0.0207	0.0207	Masiero	2017AJ....154..168M	NEATM
0.063	0.0080	0.0080	Masiero	2012ApJ...759L...8M	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
12.60			MPC-2023-12-04	MPC-2023-12-04	Phot