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52428 (1994 PE4)
Classification: Main-belt Asteroid          SPK-ID: 2052428
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762206610351162 4.3849e-08  
a 2.375226921300956 1.0328e-08 au
q 1.956662863120897 1.0686e-07 au
i 1.973803791310571 4.5785e-06 deg
node 223.3343843571594 0.00013055 deg
peri 162.7887475901448 0.0001312 deg
M 335.5506821526549 1.6042e-05 deg
tp 2459091.307210143192
(2020-Aug-29.80721014)
5.9962e-05 TDB
period 1337.075981246611
3.66
8.7208e-06
2.388e-08
d
yr
n .2692442352186725 1.7561e-09 deg/d
Q 2.793790979481014 1.2148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      734  
   data-arc span      10121 days (27.71 yr)  
   first obs. used      1992-01-02  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60212  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:20:57  

Additional Information
 Earth MOID = .960997 au 
 Jupiter MOID = 2.6556 au 
 T_jup = 3.520 
[ 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 15.9   n/a MPO324779  
diameter diameter 4.008 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52428 (1994 PE4)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 PE4 = 1998 VG45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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