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35031 (1981 EE23)
Classification: Main-belt Asteroid          SPK-ID: 2035031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626848620048242 3.8106e-08  
a 2.647161179367062 1.4521e-08 au
q 2.216508128197204 1.0571e-07 au
i 2.821157781827712 4.0046e-06 deg
node 304.4791907397233 9.2113e-05 deg
peri 351.3565448747874 9.3288e-05 deg
M 292.4140030969524 1.661e-05 deg
tp 2459295.840651172990
(2021-Mar-22.34065117)
7.3373e-05 TDB
period 1573.145907351144
4.31
1.2944e-05
3.544e-08
d
yr
n .2288408203700357 1.8829e-09 deg/d
Q 3.07781423053692 1.6883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      14322 days (39.21 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:53  

Additional Information
 Earth MOID = 1.20061 au 
 Jupiter MOID = 2.12125 au 
 T_jup = 3.371 
[ 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 15.3   n/a MPO333131  
diameter diameter 4.591 km 1.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35031 (1981 EE23)          Discovered 1981-Mar-03 by Bus, S. J. at Siding Spring
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EE23 = 1991 TB7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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