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442866 (2013 AR173)
Classification: Main-belt Asteroid          SPK-ID: 2442866
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09061478775694982 7.6599e-08  
a 3.107841736723805 7.3368e-08 au
q 2.826225317368387 2.2986e-07 au
i 10.25552151547586 9.251e-06 deg
node 170.1840226299326 4.7288e-05 deg
peri 74.52087761602596 7.427e-05 deg
M 7.220622918599057 6.1255e-05 deg
tp 2458960.361703780683
(2020-Apr-20.86170378)
0.00033976 TDB
period 2001.182834480092
5.48
7.0864e-05
1.94e-07
d
yr
n .1798936078189618 6.3703e-09 deg/d
Q 3.389458156079223 8.0017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      5806 days (15.90 yr)  
   first obs. used      2003-04-07  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:18:08  

Additional Information
 Earth MOID = 1.83641 au 
 Jupiter MOID = 1.6765 au 
 T_jup = 3.189 
[ 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 16.6   n/a MPO434645  

442866 (2013 AR173)          Discovered 2003-Apr-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 AR173 = 2003 GN28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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