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70386 (1999 RO220)
Classification: Main-belt Asteroid          SPK-ID: 2070386
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1256005301546983 3.8296e-08  
a 2.40334019239334 1.1638e-08 au
q 2.101479390086642 9.4438e-08 au
i 6.003105603257154 3.9199e-06 deg
node 275.0034196113052 4.044e-05 deg
peri 22.73855464459288 4.4885e-05 deg
M 239.1180042249925 2.2428e-05 deg
tp 2459457.462352890120
(2021-Aug-30.96235289)		 8.6527e-05 TDB
period 1360.884604739916
3.73		 9.8851e-06
2.706e-08		 d
yr
n .2645338177433501 1.9215e-09 deg/d
Q 2.705200994700037 1.31e-08 au
   Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:38:13  

Additional Information
 Earth MOID = 1.087 au 
 Jupiter MOID = 2.47211 au 
 T_jup = 3.506 
[ 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 MPO366059  
diameter diameter 1.687 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.357   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70386 (1999 RO220)          Discovered 1999-Sep-05 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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