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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117847595559537 3.3358e-08  
a 2.548307344101447 9.2886e-09 au
q 2.247995450852382 8.5868e-08 au
i .5513003082203171 4.7e-06 deg
node 146.4877772760962 0.00034268 deg
peri 287.4088763671447 0.00034335 deg
M 21.96022327526033 1.9985e-05 deg
tp 2459109.861984900789
(2020-Sep-17.36198490)		 8.2497e-05 TDB
period 1485.853992772256
4.07		 8.1239e-06
2.224e-08		 d
yr
n .242284909386234 1.3247e-09 deg/d
Q 2.848619237350512 1.0383e-08 au
   Orbit Determination Parameters
   # obs. used (total)      917  
   data-arc span      10690 days (29.27 yr)  
   first obs. used      1991-10-13  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51638  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:40:44  

Additional Information
 Earth MOID = 1.26249 au 
 Jupiter MOID = 2.38103 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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