Johnyoung

05362, 1976 YS4, 1976YS4, 1978 CH, 1978CH, 1978 EV, 1978EV, 1989 YR8, 1989YR8, 1991 DL1, 1991DL1, J76Y04S, J78C00H, J78E00V, J89Y08R, J91D01L

All data for this body: [vot]

MPC data
Name (number) Johnyoung (5362)
a 3.38478
e 0.02778
i / sin(i) 6.1478 / 0.10709
q 3.29075
Q 3.47881
ω 274.9968
Node 135.9638
m 289.0906
n 0.1583
Epoch 2460800.5
nobs 5877
nopp 32
Years observed 1978-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.385
ep 0.037
sin(ip) 0.091
G 0.150
H 11.980
Mass
D 21.57 0.095
pV 0.084 0.0051
Value
Rotational Period 6.870
Period quality 2
Spectral Class D
Spectral Class Score 8.200
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.3846 0.0369 0.0909 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.95 0.269 0.269 Masiero 2011ApJ...741...68M NEATM
21.25 4.250 4.250 Ali-Lagoa 2018A&A...612A..85A NEATM
21.28 0.168 0.168 Masiero 2011ApJ...741...68M NEATM
21.87 0.250 0.250 Masiero 2014ApJ...791..121M NEATM
21.88 0.150 0.150 Masiero 2014ApJ...791..121M NEATM
21.93 1.570 1.570 Usui 2011PASJ...63.1117U NEATM
23.78 4.760 4.760 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.065 0.0260 0.0260 Ali-Lagoa 2018A&A...612A..85A NEATM
0.080 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.080 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.081 0.0320 0.0320 Ali-Lagoa 2018A&A...612A..85A NEATM
0.089 0.0125 0.0125 Masiero 2011ApJ...741...68M NEATM
0.092 0.0103 0.0103 Masiero 2011ApJ...741...68M 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
11.98 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.879 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Tholen VIS Lazzaro 2004Icar..172..179L SPEC
D P 0.640000 0.280000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
K DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
T Bus VIS Lazzaro 2004Icar..172..179L SPEC