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70228 (1999 RY51)
Classification: Main-belt Asteroid          SPK-ID: 2070228
[ 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 .1800975131494766 3.925e-08  
a 2.393751788722572 8.3033e-09 au
q 1.962643044476525 9.3557e-08 au
i 1.391954218727829 4.7466e-06 deg
node 165.6772880073906 0.00014717 deg
peri 236.3182057863575 0.0001477 deg
M 160.2278517995043 1.0842e-05 deg
tp 2458398.422205725043
(2018-Oct-06.92220573)		 4.0291e-05 TDB
period 1352.748623318028
3.70		 7.0385e-06
1.927e-08		 d
yr
n .2661248319122221 1.3847e-09 deg/d
Q 2.824860532968619 9.7987e-09 au
   Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      10019 days (27.43 yr)  
   first obs. used      1992-11-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54627  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:36:03  

Additional Information
 Earth MOID = .971517 au 
 Jupiter MOID = 2.57631 au 
 T_jup = 3.508 
[ 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 MPO468641  

70228 (1999 RY51)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RY51 = 2001 BK74 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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