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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 ]

[ 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 .176867012915988 4.3934e-08  
a 2.376466801332056 1.0311e-08 au
q 1.956148216886443 1.0721e-07 au
i 1.97456386795251 4.5812e-06 deg
node 223.3694751548794 0.00013041 deg
peri 162.5726746610938 0.00013104 deg
M 228.154100894564 1.5495e-05 deg
tp 2459090.572326980734
(2020-Aug-29.07232698)
5.9645e-05 TDB
period 1338.123058131506
3.66
8.7084e-06
2.384e-08
d
yr
n .2690335524915679 1.7509e-09 deg/d
Q 2.79678538577767 1.2134e-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 = .959714 au 
 Jupiter MOID = 2.65077 au 
 T_jup = 3.519 
[ 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

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