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136572 (1981 EA14)
Classification: Main-belt Asteroid          SPK-ID: 2136572
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08536177746074951 3.3611e-08  
a 2.482569220885786 1.1434e-08 au
q 2.270652699521628 8.7326e-08 au
i 6.646843513986714 3.6964e-06 deg
node 206.6210331690244 3.1108e-05 deg
peri 31.23954084793619 3.9299e-05 deg
M 316.2657712936037 2.5555e-05 deg
tp 2459174.067915539348
(2020-Nov-20.56791554)
0.00010153 TDB
period 1428.731029273338
3.91
9.8703e-06
2.702e-08
d
yr
n .2519718495811617 1.7407e-09 deg/d
Q 2.694485742249945 1.241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      14311 days (39.18 yr)  
   first obs. used      1981-02-12  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52368  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:39:18  

Additional Information
 Earth MOID = 1.26219 au 
 Jupiter MOID = 2.29608 au 
 T_jup = 3.463 
[ 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 15.8   n/a MPO426850  

136572 (1981 EA14)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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Alternate Designations
 1981 EA14 = 2001 KW10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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