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 2.57512
e 0.21811
i / sin(i) 13.4723 / 0.23297
q 2.01345
Q 3.13679
ω 125.4142
Node 200.5056
m 257.6811
n 0.2385
Epoch 2460800.5
nobs 4822
nopp 27
Years observed 1955-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.575
ep 0.172
sin(ip) 0.245
G 0.150
H 13.380
Mass
D 5.78 0.240
pV 0.304 0.0360
Value
Rotational Period 7.000
Period quality 2
Spectral Class S
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5751 0.1725 0.2448 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.78 0.240 0.240 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.304 0.0360 0.0360 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.38 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.88494 2 Synodic Pal 2020ApJS..247...26P Lightcurve
7.6 2 Synodic Galad 2010MPBu...37....9G Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT