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123943 (2001 EW19)
Classification: Main-belt Asteroid          SPK-ID: 2123943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03051563298090513 4.5685e-08  
a 2.989784408762824 2.6172e-08 au
q 2.898549245052986 1.3451e-07 au
i 3.495913819573097 4.1535e-06 deg
node 100.3261957799443 8.4075e-05 deg
peri 82.7262833457519 0.00011379 deg
M 245.3096337604997 7.8784e-05 deg
tp 2459602.065158557404
(2022-Jan-22.56515856)
0.00041656 TDB
period 1888.244533358891
5.17
2.4794e-05
6.788e-08
d
yr
n .1906532727303156 2.5034e-09 deg/d
Q 3.081019572472663 2.6971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      7316 days (20.03 yr)  
   first obs. used      1999-12-27  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 17:24:01  

Additional Information
 Earth MOID = 1.90258 au 
 Jupiter MOID = 1.88063 au 
 T_jup = 3.253 
[ 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 15.3   n/a MPO453713  

123943 (2001 EW19)          Discovered 2001-Mar-15 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 EW19 = 1999 YK11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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