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504012 (2005 JC46)
Classification: Mars-crossing Asteroid          SPK-ID: 2504012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5029159402097267 1.4834e-07  
a 3.145871678313004 6.7988e-08 au
q 1.563762665435068 4.5856e-07 au
i 38.62949046132975 2.6748e-05 deg
node 69.25380641537488 2.1317e-05 deg
peri 204.6015966964034 3.4474e-05 deg
M 244.209305999335 1.6683e-05 deg
tp 2459656.012667040989
(2022-Mar-17.51266704)
9.1315e-05 TDB
period 2038.026994927595
5.58
6.6068e-05
1.809e-07
d
yr
n .1766414286444669 5.7263e-09 deg/d
Q 4.727980691190939 1.0218e-07 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      4579 days (12.54 yr)  
   first obs. used      2005-04-18  
   last obs. used      2017-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44724  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:45:52  

Additional Information
 Earth MOID = .581681 au 
 Jupiter MOID = .680374 au 
 T_jup = 2.704 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO419628  

504012 (2005 JC46)          Discovered 2005-May-09 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2017-11-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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