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JPL Small-Body Database Browser
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136573 (1981 EJ14)
Classification: Main-belt Asteroid          SPK-ID: 2136573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08533156096736506 1.184e-07  
a 2.484103067988146 1.7717e-08 au
q 2.272130675592897 2.9272e-07 au
i 6.372300890327492 7.4294e-06 deg
node 319.7336760201486 4.2459e-05 deg
peri 222.8035186090329 5.4662e-05 deg
M 262.3784716136918 3.6223e-05 deg
tp 2458988.289410701240
(2020-May-18.78941070)
0.00014453 TDB
period 1430.055338818342
3.92
1.5299e-05
4.189e-08
d
yr
n .2517385098519815 2.6931e-09 deg/d
Q 2.696075460383395 1.9228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      13810 days (37.81 yr)  
   first obs. used      1981-02-12  
   last obs. used      2018-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .613  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:50:14  

Additional Information
 Earth MOID = 1.28056 au 
 Jupiter MOID = 2.29183 au 
 T_jup = 3.463 
[ 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 15.9   n/a MPO234038  

136573 (1981 EJ14)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1981 EJ14 = 2002 RF146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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