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227875 (2007 EH16)
Classification: Main-belt Asteroid          SPK-ID: 2227875
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365858562321756 7.5016e-08  
a 2.440729403013291 2.0368e-08 au
q 2.107360287671674 1.7493e-07 au
i .5704179938548654 4.5694e-06 deg
node 299.7812554320359 0.00075976 deg
peri 266.53594737 0.00076006 deg
M 190.507081484794 2.5205e-05 deg
tp 2459856.232838959044
(2022-Oct-03.73283896)		 0.00010373 TDB
period 1392.765102478766
3.81		 1.7434e-05
4.773e-08		 d
yr
n .2584786187988858 3.2355e-09 deg/d
Q 2.774098518354908 2.315e-08 au
   Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6997 days (19.16 yr)  
   first obs. used      2001-10-16  
   last obs. used      2020-12-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60764  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:30  

Additional Information
 Earth MOID = 1.10217 au 
 Jupiter MOID = 2.18685 au 
 T_jup = 3.489 
[ 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 16.9   n/a MPO433491  

227875 (2007 EH16)          Discovered 2007-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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