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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0850751680608661 1.1286e-07  
a 2.483499693286739 1.3634e-08 au
q 2.27221553950126 2.7618e-07 au
i 6.37319580117286 7.1203e-06 deg
node 319.730898042522 3.3388e-05 deg
peri 222.880036779798 4.5847e-05 deg
M 3.00389287130744 3.0103e-05 deg
tp 2458988.571755503595
(2020-May-19.07175550)
0.00011956 TDB
period 1429.534341827836
3.91
1.1772e-05
3.223e-08
d
yr
n .2518302565153457 2.0738e-09 deg/d
Q 2.694783847072217 1.4794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      644  
   data-arc span      14313 days (39.19 yr)  
   first obs. used      1981-02-12  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:39:18  

Additional Information
 Earth MOID = 1.28022 au 
 Jupiter MOID = 2.29171 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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