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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091442336969695 2.8123e-08  
a 2.354499143088888 8.9063e-09 au
q 1.862069224067391 6.7688e-08 au
i 3.110052358079419 3.5093e-06 deg
node 115.3373270057176 6.4743e-05 deg
peri 159.1905486540864 6.5367e-05 deg
M 305.8283629074748 9.2947e-06 deg
tp 2459199.070939938178
(2020-Dec-15.57093994)
3.4261e-05 TDB
period 1319.61192636004
3.61
7.4875e-06
2.05e-08
d
yr
n .2728074768110109 1.5479e-09 deg/d
Q 2.846929062110384 1.0769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      1999-07-21  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:36:03  

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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