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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458321.5 (2018-Jul-22.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192522086990237 8.6844e-08  
q 2.116027643596242 2.061e-07 au
tp 2457748.164250256219
(2016-Dec-25.66425026)
9.8207e-05 TDB
node 135.4807647289739 7.2399e-05 deg
peri 227.2373518795063 7.793e-05 deg
i 5.514428785471615 7.6157e-06 deg
  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
 Jupiter MOID = 2.75376 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.541933808634052E-15 -1.784660558411446E-14 -1.82614752440343E-12 7.240182252633031E-14 -6.121626528267494E-13 -1.641876482425911E-14
q -1.784660558411446E-14 4.247804187174461E-14 3.643822347742308E-12 -1.697162218275588E-13 1.276660003188069E-12 3.943357743133427E-14
tp -1.82614752440343E-12 3.643822347742308E-12 9.644671298344882E-9 -4.051099632339074E-12 2.878341655520291E-9 3.663170487921773E-12
node 7.240182252633031E-14 -1.697162218275588E-13 -4.051099632339074E-12 5.241558117365122E-9 -5.218025121764806E-9 3.443886863735705E-10
peri -6.121626528267494E-13 1.276660003188069E-12 2.878341655520291E-9 -5.218025121764806E-9 6.073097002595001E-9 -3.416090672025119E-10
i -1.641876482425911E-14 3.943357743133427E-14 3.663170487921773E-12 3.443886863735705E-10 -3.416090672025119E-10 5.799875222707443E-11

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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