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52252 (1981 EJ35)
Classification: Main-belt Asteroid          SPK-ID: 2052252
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779281112291434 5.2525e-08  
a 2.397453032096895 1.199e-08 au
q 1.970878742335312 1.2433e-07 au
i 5.071969754188348 5.3178e-06 deg
node 167.6094315098403 6.2323e-05 deg
peri 317.6842762025032 6.4239e-05 deg
M 132.2352145685837 1.3987e-05 deg
tp 2458102.455427116522
(2017-Dec-14.95542712)
5.2567e-05 TDB
period 1355.887286325387
3.71
1.0172e-05
2.785e-08
d
yr
n .2655087953333069 1.9918e-09 deg/d
Q 2.824027321858479 1.4124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      13612 days (37.27 yr)  
   first obs. used      1981-02-09  
   last obs. used      2018-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56424  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 01:01:19  

Additional Information
 Earth MOID = .989853 au 
 Jupiter MOID = 2.24957 au 
 T_jup = 3.501 
[ 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 16.3   n/a MPO436150  
diameter diameter 3.307 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52252 (1981 EJ35)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030216/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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