Johnson

05905, 1989 CJ1, 1989CJ1, J89C01J

All data for this body: [vot]

MPC data
Name (number) Johnson (5905)
a 1.91034
e 0.07170
i / sin(i) 27.5197 / 0.46205
q 1.77337
Q 2.04731
ω 208.9309
Node 141.2337
m 64.6101
n 0.3733
Epoch 2460800.5
nobs 4488
nopp 23
Years observed 1989-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.910
ep 0.057
sin(ip) 0.428
G 0.150
H 13.920
Mass
D 4.74 0.043
pV 0.199 0.0160
Value
Rotational Period 3.782
Period quality 3
Spectral Class Q
Spectral Class Score 39.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9103 0.0572 0.4276 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
3.85 0.660 0.660 Nugent 2016AJ....152...63N NEATM
4.00 nan nan Marchis 2012Icar..221.1130M RADIOMETRY_TPM
4.10 0.500 0.500 Marchis 2012Icar..221.1130M RADIOMETRY_NEATM
4.73 0.060 0.060 Masiero 2014ApJ...791..121M NEATM
4.79 0.065 0.065 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.194 0.0278 0.0278 Masiero 2011ApJ...741...68M NEATM
0.200 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.250 0.1000 0.1000 Nugent 2016AJ....152...63N 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
13.92 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.7814 3 Synodic Pravec LCDB Lightcurve
3.7814 3 Synodic Pravec LCDB Lightcurve
3.7814 3 Synodic Pravec LCDB Lightcurve
3.78142 3 Synodic Pravec LCDB Lightcurve
3.78222 3 Synodic Pravec 2012Icar..218..125P Lightcurve
3.7823 Synodic Pravec 2016Icar..267..267P Lightcurve
3.7824 3 Synodic Pravec 2012Icar..218..125P Lightcurve
3.7824 3 Synodic Warner 2005IAUC.8511....2W Lightcurve
3.7827 3 Synodic Warner 2009MPBu...36...89W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A 0.224 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
A A 0.1119 0.1119 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Q Sq Bus-DeMeo NIR Lucas 2017Icar..291..268L SPEC
Q Sq Bus-DeMeo VISNIR Lindsay 2015Icar..247...53L SPEC
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S A 0.790000 0.210000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC