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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762871233073786 3.7545e-08  
a 2.375421915381968 6.4543e-09 au
q 1.956665619277977 8.8482e-08 au
i 1.973728701234025 4.2672e-06 deg
node 223.3347203996562 8.9428e-05 deg
peri 162.8192996365702 9.0015e-05 deg
M 29.37462015700352 9.2681e-06 deg
tp 2459091.386289660636
(2020-Aug-29.88628966)
3.4408e-05 TDB
period 1337.240635358676
3.66
5.4502e-06
1.492e-08
d
yr
n .2692110832419031 1.0972e-09 deg/d
Q 2.794178211485958 7.5921e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      10632 days (29.11 yr)  
   first obs. used      1992-01-02  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:45:21  

Additional Information
 Earth MOID = .959756 au 
 Jupiter MOID = 2.65629 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 15.96   n/a MPCxxxxx  
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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