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52253 (1981 EZ35)
Classification: Outer Main-belt Asteroid          SPK-ID: 2052253
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364243652030914 4.6395e-08  
a 3.207738405255451 1.9358e-08 au
q 2.7701247295809 1.5243e-07 au
i .4845528148520275 4.1863e-06 deg
node 91.39641761840554 0.00056481 deg
peri 63.47684409375854 0.00056515 deg
M 350.2839817177641 1.7108e-05 deg
tp 2459257.134707934801
(2021-Feb-11.63470793)
9.979e-05 TDB
period 2098.441384554138
5.75
1.8995e-05
5.201e-08
d
yr
n .1715558998453942 1.5529e-09 deg/d
Q 3.645352080930003 2.1998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      14657 days (40.13 yr)  
   first obs. used      1981-02-02  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:34  

Additional Information
 Earth MOID = 1.77997 au 
 Jupiter MOID = 1.34482 au 
 T_jup = 3.178 
[ 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 15.32   n/a E2021B10  
diameter diameter 5.618 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.86 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]
geometric albedo albedo 0.047   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52253 (1981 EZ35)          Discovered 1981-Mar-03 by Bus, S. J. at Siding Spring
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EZ35 = 1996 XH37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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