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JPL Small-Body Database Browser
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154119 (2002 EN61)
Classification: Main-belt Asteroid          SPK-ID: 2154119
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0941925418446511 3.8475e-08  
a 2.924257120270829 2.1888e-08 au
q 2.6488139091052 1.1544e-07 au
i 11.34873977769683 4.8614e-06 deg
node 172.8244792948867 1.8275e-05 deg
peri 149.4639587977676 3.5674e-05 deg
M 82.79029793515895 2.812e-05 deg
tp 2458580.452208497295
(2019-Apr-06.95220850)
0.00014345 TDB
period 1826.508766273635
5.00
2.0507e-05
5.615e-08
d
yr
n .1970973294228731 2.2129e-09 deg/d
Q 3.199700331436458 2.3949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      10107 days (27.67 yr)  
   first obs. used      1992-03-01  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5574  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:27:57  

Additional Information
 Earth MOID = 1.64425 au 
 Jupiter MOID = 2.18545 au 
 T_jup = 3.243 
[ 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 15.5   n/a MPO454000  

154119 (2002 EN61)          Discovered 2002-Mar-13 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2002 EN61 = 1992 EL34 = 2004 RH67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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