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187932 (2001 EX23)
Classification: Main-belt Asteroid          SPK-ID: 2187932
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345469563311796 3.4134e-08  
a 2.232093447498714 7.0978e-09 au
q 1.931772067890992 7.7406e-08 au
i 5.11086239415521 3.6493e-06 deg
node 160.957954039312 4.1724e-05 deg
peri 64.36705519298361 4.4037e-05 deg
M 291.0125311290085 1.3352e-05 deg
tp 2459433.918189449162
(2021-Aug-07.41818945)
4.536e-05 TDB
period 1218.055243610081
3.33
5.8099e-06
1.591e-08
d
yr
n .2955530973562654 1.4097e-09 deg/d
Q 2.532414827106435 8.0528e-09 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      10984 days (30.07 yr)  
   first obs. used      1991-03-13  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:15:28  

Additional Information
 Earth MOID = .928356 au 
 Jupiter MOID = 2.44978 au 
 T_jup = 3.624 
[ 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 16.91   n/a MPCxxxxx  

187932 (2001 EX23)          Discovered 2001-Mar-15 by NEAT at Haleakala
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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