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3834 Zappafrank (1980 JE)
Classification: Main-belt Asteroid          SPK-ID: 2003834
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193015138285288 2.1427e-08  
a 2.551298964377633 9.4725e-09 au
q 2.058859641961172 5.63e-08 au
i 14.06724719363077 1.2009e-06 deg
node 55.4498445431857 3.9429e-06 deg
peri 170.971785875149 9.5255e-06 deg
M 26.08918351406885 1.218e-05 deg
tp 2459288.630555336469
(2021-Mar-15.13055534)
5.0211e-05 TDB
period 1488.47126848298
4.08
8.2896e-06
2.27e-08
d
yr
n .2418588840931439 1.347e-09 deg/d
Q 3.043738286794095 1.1301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1951  
   data-arc span      15023 days (41.13 yr)  
   first obs. used      1980-05-11  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48923  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:44:53  

Additional Information
 Earth MOID = 1.05039 au 
 Jupiter MOID = 1.94554 au 
 T_jup = 3.372 
[ 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 13.62   n/a MPO614063  
diameter diameter 9.883 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.063   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3834 Zappafrank (1980 JE)          Discovered 1980-May-11 by Brozek, L. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1980 JE = 1984 GJ = 1984 HD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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