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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09174891161601785 5.7145e-08  
a 2.456766874875329 1.6218e-08 au
q 2.231361188011232 1.4455e-07 au
i 9.073472165524493 6.0478e-06 deg
node 318.8130521435502 3.6626e-05 deg
peri 233.2841837553005 4.8296e-05 deg
M 149.6351763838411 3.4841e-05 deg
tp 2458415.877470488211
(2018-Oct-24.37747049)		 0.00013325 TDB
period 1406.5149365973
3.85		 1.3928e-05
3.813e-08		 d
yr
n .2559517788491654 2.5345e-09 deg/d
Q 2.682172561739426 1.7706e-08 au
   Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      9344 days (25.58 yr)  
   first obs. used      1995-02-21  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 20:14:28  

Additional Information
 Earth MOID = 1.24605 au 
 Jupiter MOID = 2.33001 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 15.8   n/a MPO287495  

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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