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70390 (1999 RY227)
Classification: Main-belt Asteroid          SPK-ID: 2070390
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176594863974201 3.3851e-08  
a 2.54774718197575 1.1585e-08 au
q 2.247980557074009 8.8343e-08 au
i .5513021586699308 5.3836e-06 deg
node 146.4952079465966 0.00035983 deg
peri 287.4267051071505 0.00036065 deg
M 333.4743306877676 2.4987e-05 deg
tp 2459109.945213311936
(2020-Sep-17.44521331)		 0.00010335 TDB
period 1485.364095002404
4.07		 1.0131e-05
2.774e-08		 d
yr
n .24236481897687 1.6531e-09 deg/d
Q 2.847513806877491 1.2948e-08 au
   Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      10281 days (28.15 yr)  
   first obs. used      1991-10-13  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:14:20  

Additional Information
 Earth MOID = 1.26297 au 
 Jupiter MOID = 2.38187 au 
 T_jup = 3.432 
[ 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 15.7   n/a MPO449443  

70390 (1999 RY227)          Discovered 1999-Sep-07 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 RY227 = 2001 DK46 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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