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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931576482917468 4.8829e-08  
a 2.551812098375566 1.3104e-08 au
q 2.058910074570914 1.2751e-07 au
i 14.0669495488521 4.9406e-06 deg
node 55.45619692572472 1.6377e-05 deg
peri 170.9000529960875 2.6764e-05 deg
M 290.3808812172244 2.9185e-05 deg
tp 2459288.437007074639
(2021-Mar-14.93700707)
0.00012212 TDB
period 1488.920347732349
4.08
1.1469e-05
3.14e-08
d
yr
n .2417859360631925 1.8624e-09 deg/d
Q 3.044714122180218 1.5635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1717  
   data-arc span      14648 days (40.10 yr)  
   first obs. used      1980-05-11  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50063  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:56:48  

Additional Information
 Earth MOID = 1.05001 au 
 Jupiter MOID = 1.94683 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 13.6   n/a MPO502190  
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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