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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367139814439139 4.8568e-08  
a 3.206928984485652 2.6527e-08 au
q 2.768496954808731 1.6336e-07 au
i .4845824952552282 4.809e-06 deg
node 91.39222162262392 0.00061521 deg
peri 63.65768781339406 0.00061559 deg
M 247.2022217081017 2.1007e-05 deg
tp 2459257.749835485592
(2021-Feb-12.24983549)
0.00012631 TDB
period 2097.647173178476
5.74
2.6027e-05
7.126e-08
d
yr
n .1716208543567921 2.1294e-09 deg/d
Q 3.645361014162574 3.0153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      14183 days (38.83 yr)  
   first obs. used      1981-02-02  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53274  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:59:33  

Additional Information
 Earth MOID = 1.77898 au 
 Jupiter MOID = 1.34689 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 15.2   n/a MPO502506  
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. 2019-January); 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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