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JPL Small-Body Database Browser
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35016 (1981 EC7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2035016
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186393616106761 8.0563e-08  
a 3.953321838221911 6.3533e-08 au
q 3.484302259093719 3.4408e-07 au
i 7.839525871622255 7.1669e-06 deg
node 307.2899202262462 5.3185e-05 deg
peri 207.9101572907145 6.0727e-05 deg
M 331.4861619977589 3.0978e-05 deg
tp 2458827.902304356596
(2019-Dec-10.40230436)
0.00024981 TDB
period 2871.056136390343
7.86
6.9211e-05
1.895e-07
d
yr
n .1253893978027935 3.0227e-09 deg/d
Q 4.422341417350103 7.1071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      13960 days (38.22 yr)  
   first obs. used      1981-02-09  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58536  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:44:53  

Additional Information
 Earth MOID = 2.49783 au 
 Jupiter MOID = .676532 au 
 T_jup = 3.031 
[ 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 13.6   n/a PDS3 (MPO 24076)  
diameter diameter 11.774 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

35016 (1981 EC7)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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