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70313 (1999 RK138)
Classification: Main-belt Asteroid          SPK-ID: 2070313
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175304308497291 3.4855e-08  
a 2.386966794686796 1.0872e-08 au
q 1.968521231338232 8.4715e-08 au
i 2.693437506152317 4.5829e-06 deg
node 23.44360153446391 8.2845e-05 deg
peri 282.7471178458516 8.402e-05 deg
M 246.7124987727871 1.6222e-05 deg
tp 2459424.384455019409
(2021-Jul-28.88445502)		 6.1962e-05 TDB
period 1347.001232739091
3.69		 9.2031e-06
2.52e-08		 d
yr
n .2672603344749355 1.826e-09 deg/d
Q 2.80541235803536 1.2778e-08 au
   Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55538  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:13  

Additional Information
 Earth MOID = .955761 au 
 Jupiter MOID = 2.43956 au 
 T_jup = 3.512 
[ 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 MPO417313  
diameter diameter 4.134 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70313 (1999 RK138)          Discovered 1999-Sep-09 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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