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70230 (1999 RH56)
Classification: Main-belt Asteroid          SPK-ID: 2070230
[ 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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091442335235902 2.804e-08  
a 2.354499143036915 8.89e-09 au
q 1.862069224434509 6.7527e-08 au
i 3.110052364789906 3.4913e-06 deg
node 115.3373273925397 6.4739e-05 deg
peri 159.1905482513336 6.5363e-05 deg
M 305.8283629487425 9.2889e-06 deg
tp 2459199.070939780333
(2020-Dec-15.57093978)		 3.4238e-05 TDB
period 1319.611926316347
3.61		 7.4738e-06
2.046e-08		 d
yr
n .2728074768200437 1.5451e-09 deg/d
Q 2.846929061639321 1.0749e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      1999-07-21  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49845  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:34  

Additional Information
 Earth MOID = .846109 au 
 Jupiter MOID = 2.27416 au 
 T_jup = 3.524 
[ 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 15.5   n/a MPO426420  
diameter diameter 1.692 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.468   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70230 (1999 RH56)          Discovered 1999-Sep-07 by LINEAR at Socorro
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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