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136576 (1981 EN33)
Classification: Main-belt Asteroid          SPK-ID: 2136576
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1425068565991694 6.7218e-08  
a 2.23969039005055 1.493e-08 au
q 1.920519152809079 1.496e-07 au
i 3.948817754846253 7.2621e-06 deg
node 318.2585243940255 6.6223e-05 deg
peri 180.3438079714559 7.0171e-05 deg
M 277.5995613474113 2.8836e-05 deg
tp 2459280.725356003098
(2021-Mar-07.22535600)
0.00010036 TDB
period 1224.279018543136
3.35
1.2242e-05
3.352e-08
d
yr
n .294050616360633 2.9403e-09 deg/d
Q 2.558861627292022 1.7058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      14135 days (38.70 yr)  
   first obs. used      1981-02-09  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56013  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:04:00  

Additional Information
 Earth MOID = .933893 au 
 Jupiter MOID = 2.46387 au 
 T_jup = 3.619 
[ 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 16.9   n/a MPO439843  

136576 (1981 EN33)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1981 EN33 = 2001 DM63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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