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80386 (1999 XR164)
Classification: Main-belt Asteroid          SPK-ID: 2080386
[ 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 .2285065453839886 3.845e-08  
a 2.309820929983458 9.4021e-09 au
q 1.782011728817307 8.9778e-08 au
i 8.56303139625328 5.0373e-06 deg
node 82.99063169071803 3.2494e-05 deg
peri 338.8435466815215 3.4821e-05 deg
M 329.7873675444756 1.2764e-05 deg
tp 2459108.109834128987
(2020-Sep-15.60983413)		 4.568e-05 TDB
period 1282.229886570238
3.51		 7.8289e-06
2.143e-08		 d
yr
n .2807608867727635 1.7142e-09 deg/d
Q 2.83763013114961 1.155e-08 au
   Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:08:47  

Additional Information
 Earth MOID = .798325 au 
 Jupiter MOID = 2.49505 au 
 T_jup = 3.536 
[ 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 15.4   n/a MPO474694  

80386 (1999 XR164)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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