1984 SO4

1984SO4, 13919, J84S04O

All data for this body: [vot]

MPC data

Name (number)	1984 SO4 (13919)
a	2.27613
e	0.11775
i / sin(i)	4.9770 / 0.08676
q	2.00813
Q	2.54413
ω	55.0463
Node	286.2691
m	145.8879
n	0.2870
Epoch	2460200.5

n_obs	3168
n_opp	21
Years observed	1984-2023
rms	0.58

Best values

	Value	Standard error
Parent

a_p	2.277
e_p	0.069
sin(i_p)	0.097

	Value	Standard error
G	0.150
H	13.960
Mass
D	4.50	0.134
pV	0.458	0.0543

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.2766	0.0687	0.0972	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
4.50	0.134	0.134	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.458	0.0543	0.0543	Masiero	2011ApJ...741...68M	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
13.96			MPC-2023-12-04	MPC-2023-12-04	Phot

Period data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
6.00			Waszczak	2015AJ....150...75W	Lightcurve
6.00			Durech	2020A&A...643A..59D	Model
6.02			Chang	2014ApJ...788...17C	Lightcurve