Grahamryder

05479, 1985 VP4, 1985VP4, 1989 UT5, 1989UT5, 2165 P-L, 2165P-L, J85V04P, J89U05T, PLS2165

All data for this body: [vot]

MPC data

Name (number)	Grahamryder (5479)
a	2.57435
e	0.21846
i / sin(i)	13.4740 / 0.23300
q	2.01194
Q	3.13675
ω	125.5140
Node	200.5017
m	114.3979
n	0.2386
Epoch	2460200.5

n_obs	4047
n_opp	26
Years observed	1955-2023
rms	0.53

Best values

	Value	Standard error
Parent

a_p	2.575
e_p	0.172
sin(i_p)	0.245

	Value	Standard error
G	0.150
H	13.420
Mass
D	5.78	0.240
pV	0.304	0.0360
Rotational Period	7.600

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.5751	0.1725	0.2448	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
5.78	0.240	0.240	Masiero	2012ApJ...759L...8M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.304	0.0360	0.0360	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
13.42			MPC-2023-12-04	MPC-2023-12-04	Phot

Period data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
2.88			Pal	2020ApJS..247...26P	Lightcurve
7.60			Galad	2010MPBu...37....9G	Lightcurve