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5905 Johnson (1989 CJ1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2005905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07172453594372882 4.5832e-08  
a 1.910245228800329 5.0899e-09 au
q 1.773233776225904 8.6573e-08 au
i 27.52227475538466 5.2253e-06 deg
node 141.2556518797351 8.4927e-06 deg
peri 208.8359916068154 2.995e-05 deg
M 323.435357130955 2.9705e-05 deg
tp 2458698.446956902125
(2019-Aug-02.94695690)
7.9589e-05 TDB
period 964.3442877604627
2.64
3.8543e-06
1.055e-08
d
yr
n .3733106573753271 1.4921e-09 deg/d
Q 2.047256681374755 5.455e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2272  
   data-arc span      11219 days (30.72 yr)  
   first obs. used      1989-02-11  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37091  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:49:54  

Additional Information
 Earth MOID = .772764 au 
 Jupiter MOID = 3.23899 au 
 T_jup = 3.796 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO263401  
diameter diameter 4.728 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.7824 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.; Pravec, P.; Kusnirak, P.; Pray, D.; et al. (2005) IAUC 8511.]
[Warner, B.D.; Harris, A.W.; Pravec, P.; Cooney, Jr., W.; Gross, J.; et al. (2009) Minor Planet Bull. 36, 89-90.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Scheirich, P.; Vokrouhlicky, D.; Harris, A.W.; et al. (2012) Icarus 218, 125-143. See also supplemental on-line material.]
[Pravec, P.; Scheirich, P.; Kusnirak, P.; Hornoch, K.; et al. (2016) Icarus 267, 267-295.]
geometric albedo albedo 0.198   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

5905 Johnson (1989 CJ1)          Discovered 1989-Feb-11 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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