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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
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Orbital Elements at Epoch 2456902.5 (2014-Sep-02.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762811781658373 3.4955e-08  
q 1.966000390112983 8.5052e-08 au
tp 2456728.840823566859
(2014-Mar-12.34082357)
5.5463e-05 TDB
node 23.47384936193795 8.2872e-05 deg
peri 282.4926424399113 8.4027e-05 deg
i 2.694323169093766 4.5811e-06 deg
  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
 Jupiter MOID = 2.43956 au 
 T_jup = 3.512 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.221864868750802E-15 -2.956838973451377E-15 2.423385898991651E-13 5.023525993059032E-15 5.967372865531321E-14 5.101300648933429E-16
q -2.956838973451377E-15 7.233925902317597E-15 -4.896368790374981E-13 -1.305090862417444E-14 -1.19795680720809E-13 -1.138109800058345E-15
tp 2.423385898991651E-13 -4.896368790374981E-13 3.076194170288713E-9 -6.686578844140793E-12 7.832815533286925E-10 4.950693094113648E-13
node 5.023525993059032E-15 -1.305090862417444E-14 -6.686578844140793E-12 6.867842894564931E-9 -6.861562316044635E-9 -3.309722400500092E-11
peri 5.967372865531321E-14 -1.19795680720809E-13 7.832815533286925E-10 -6.861562316044635E-9 7.060552115945894E-9 3.319790504602409E-11
i 5.101300648933429E-16 -1.138109800058345E-15 4.950693094113648E-13 -3.309722400500092E-11 3.319790504602409E-11 2.098668128718581E-11

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

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