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4133 Heureka (1942 DB)
Classification: Main-belt Asteroid          SPK-ID: 2004133
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205148211857571 1.7778e-08  
a 2.582010935214734 1.0774e-08 au
q 2.270840349057661 4.8484e-08 au
i 12.05464420090043 4.3212e-07 deg
node 324.580991199141 5.1364e-06 deg
peri 247.2025818798518 9.6403e-06 deg
M 302.9084612613335 9.7587e-06 deg
tp 2459440.828231309392
(2021-Aug-14.32823131)
4.1061e-05 TDB
period 1515.428821552936
4.15
9.4849e-06
2.597e-08
d
yr
n .2375565218768176 1.4868e-09 deg/d
Q 2.893181521371808 1.2072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2664  
   data-arc span      28889 days (79.09 yr)  
   first obs. used      1942-02-17  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37642  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:26:02  

Additional Information
 Earth MOID = 1.29766 au 
 Jupiter MOID = 2.1866 au 
 T_jup = 3.383 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.53   n/a MPCxxxxx  

4133 Heureka (1942 DB)          Discovered 1942-Feb-17 by Oterma, L. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1942 DB = 1985 QY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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