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35020 (1981 EJ12)
Classification: Main-belt Asteroid          SPK-ID: 2035020
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273365921957161 5.2216e-08  
a 3.06057354677725 2.5522e-08 au
q 2.670850541166279 1.6119e-07 au
i 4.00987840699434 5.344e-06 deg
node 271.6300642977026 8.5344e-05 deg
peri 303.5182045615663 8.8415e-05 deg
M 11.66830526521328 2.3692e-05 deg
tp 2458537.111870133381
(2019-Feb-22.61187013)
0.00012866 TDB
period 1955.701897859612
5.35
2.4463e-05
6.698e-08
d
yr
n .1840771338382381 2.3025e-09 deg/d
Q 3.450296552388222 2.8772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      13965 days (38.23 yr)  
   first obs. used      1981-02-12  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58492  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:53:08  

Additional Information
 Earth MOID = 1.66682 au 
 Jupiter MOID = 1.55565 au 
 T_jup = 3.218 
[ 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 14.9   n/a MPO436009  
diameter diameter 5.677 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35020 (1981 EJ12)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20020227/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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