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120078 (2003 EH4)
Classification: Main-belt Asteroid          SPK-ID: 2120078
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09178901430966786 5.7033e-08  
a 2.45664254328252 1.5329e-08 au
q 2.231149745723422 1.4393e-07 au
i 9.07362881663181 5.2312e-06 deg
node 318.8138760133169 3.5175e-05 deg
peri 233.1977226415589 4.5613e-05 deg
M 200.9296619768759 3.3984e-05 deg
tp 2459821.938395891425
(2022-Aug-30.43839589)
0.00013665 TDB
period 1406.408166985796
3.85
1.3164e-05
3.604e-08
d
yr
n .2559712098170971 2.3959e-09 deg/d
Q 2.682135340841618 1.6737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      9455 days (25.89 yr)  
   first obs. used      1995-02-21  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:04:50  

Additional Information
 Earth MOID = 1.24528 au 
 Jupiter MOID = 2.32899 au 
 T_jup = 3.469 
[ 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 15.95   n/a E2021B55  

120078 (2003 EH4)          Discovered 2003-Mar-06 by Yeung, W. K. Y. at Desert Eagle
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2003 EH4 = 1999 CG71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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