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146948 (2002 EZ42)
Classification: Main-belt Asteroid          SPK-ID: 2146948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641050875928986 3.9468e-08  
a 3.197044224795683 2.2678e-08 au
q 2.672393002247217 1.263e-07 au
i 1.003560304492312 5.6708e-06 deg
node 192.4663077195786 0.00024066 deg
peri 242.3073799226578 0.00024128 deg
M 147.0272828717516 1.6932e-05 deg
tp 2458147.759630549960
(2018-Jan-29.25963055)
9.5201e-05 TDB
period 2087.956241902338
5.72
2.2216e-05
6.082e-08
d
yr
n .1724174064452634 1.8345e-09 deg/d
Q 3.721695447344149 2.6399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      9315 days (25.50 yr)  
   first obs. used      1994-10-26  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57903  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:57:55  

Additional Information
 Earth MOID = 1.68765 au 
 Jupiter MOID = 1.55284 au 
 T_jup = 3.174 
[ 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 15.1   n/a MPO436738  

146948 (2002 EZ42)          Discovered 2002-Mar-12 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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