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JPL Small-Body Database Browser
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66272 (1999 JW6)
Classification: Amor [NEO]          SPK-ID: 2066272
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 75 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433092281633517 6.4928e-08  
a 1.507485042048958 5.4157e-09 au
q 1.291448524205124 9.9765e-08 au
i 51.31275278400917 3.1212e-05 deg
node 66.38989932005056 8.6292e-06 deg
peri 68.4753342108626 6.9143e-05 deg
M 211.2974236625908 6.9247e-05 deg
tp 2459279.750485202296
(2021-Mar-06.25048520)
0.00013071 TDB
period 676.0486411797042
1.85
3.6431e-06
9.974e-09
d
yr
n .5325060625398201 2.8696e-09 deg/d
Q 1.723521559892792 6.1919e-09 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      7231 days (19.80 yr)  
   first obs. used      1999-05-13  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48234  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Mar-01 07:03:06  

Additional Information
 Earth MOID = .409886 au 
 Jupiter MOID = 3.59664 au 
 T_jup = 4.118 
[ 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 17.1   n/a MPO233833  
diameter diameter 0.808 km 0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.400   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

66272 (1999 JW6)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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