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80071 (1999 JR97)
Classification: Main-belt Asteroid          SPK-ID: 2080071
[ 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 .0830438301802498 5.5034e-08  
a 3.105705337935532 2.5325e-08 au
q 2.847795671262118 1.8069e-07 au
i 19.60936601689311 5.0343e-06 deg
node 94.21988052910399 1.6103e-05 deg
peri 78.13015044520024 3.7509e-05 deg
M .1839211469819803 3.1789e-05 deg
tp 2458999.478665586617
(2020-May-29.97866559)		 0.00017653 TDB
period 1999.119703476698
5.47		 2.4452e-05
6.695e-08		 d
yr
n .1800792615739411 2.2026e-09 deg/d
Q 3.363615004608946 2.7428e-08 au
   Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52383  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:54  

Additional Information
 Earth MOID = 1.93353 au 
 Jupiter MOID = 1.95362 au 
 T_jup = 3.126 
[ 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 14.1   n/a MPO493435  
diameter diameter 8.642 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80071 (1999 JR97)          Discovered 1999-May-12 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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