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344227 (2001 RA146)
Classification: Main-belt Asteroid          SPK-ID: 2344227
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 .2066588667428025 8.0721e-08  
a 3.148332832940897 2.8448e-08 au
q 2.497701937556174 2.5956e-07 au
i 4.023300958158794 5.3318e-06 deg
node 284.7664899789672 0.00011583 deg
peri 81.07252676472007 0.00011675 deg
M 106.5137917826382 1.3012e-05 deg
tp 2458396.797840634067
(2018-Oct-05.29784063)
7.221e-05 TDB
period 2040.419120701713
5.59
2.7655e-05
7.572e-08
d
yr
n .176434339566566 2.3914e-09 deg/d
Q 3.798963728325619 3.4327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-05-23  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:01:10  

Additional Information
 Earth MOID = 1.5001 au 
 Jupiter MOID = 1.7119 au 
 T_jup = 3.171 
[ 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 15.8   n/a MPO455507  

344227 (2001 RA146)          Discovered 2001-Sep-08 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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