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469356 (2001 DR8)
Classification: Apollo [NEO]          SPK-ID: 2469356
[ 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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6718091246756972 5.9888e-08  
a 1.925705671715909 2.1902e-08 au
q .6319990300174186 1.1756e-07 au
i 6.560465956745626 1.3593e-05 deg
node 334.4899738205019 6.1122e-05 deg
peri 43.62045131094507 7.7391e-05 deg
M 131.5631018573189 4.8962e-05 deg
tp 2458643.790320211072
(2019-Jun-09.29032021)		 0.00012952 TDB
period 976.0752286251335
2.67		 1.6652e-05
4.559e-08		 d
yr
n .3688240306098986 6.2922e-09 deg/d
Q 3.219412313414399 3.6616e-08 au
   Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5873 days (16.08 yr)  
   first obs. used      2001-02-16  
   last obs. used      2017-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58846  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:19:17  

Additional Information
 Earth MOID = .0781114 au 
 Jupiter MOID = 2.28232 au 
 T_jup = 3.597 
[ 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 18.8   n/a MPO402882  

469356 (2001 DR8)          Discovered 2001-Feb-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

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Alternate Designations
 2001 DR8 = 2016 LU50 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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