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469793 (2005 RA17)
Classification: Main-belt Asteroid          SPK-ID: 2469793
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1180871938198482 8.7005e-08  
a 2.403330272708243 1.8331e-08 au
q 2.119527744981836 2.0618e-07 au
i 5.516827246934635 7.618e-06 deg
node 135.432373109664 7.2312e-05 deg
peri 227.1186614146369 7.797e-05 deg
M 331.4721894599284 2.4787e-05 deg
tp 2459108.341160584362
(2020-Sep-15.84116058)
9.3279e-05 TDB
period 1360.876179258053
3.73
1.557e-05
4.263e-08
d
yr
n .2645354555300332 3.0265e-09 deg/d
Q 2.68713280043465 2.0496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5532 days (15.15 yr)  
   first obs. used      2005-08-26  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:18:11  

Additional Information
 Earth MOID = 1.12063 au 
 Jupiter MOID = 2.75376 au 
 T_jup = 3.509 
[ 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 17.7   n/a MPO472615  
diameter diameter 1.747 km 0.408 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469793 (2005 RA17)          Discovered 2005-Sep-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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