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101809 (1999 JW5)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07647621913909967 4.5354e-08  
a 1.914683064574389 7.5052e-09 au
q 1.768255342946075 8.5195e-08 au
i 19.67352341949095 5.6352e-06 deg
node 218.5667598860888 1.2942e-05 deg
peri 274.859497058394 3.9954e-05 deg
M 70.17484518108246 3.6276e-05 deg
tp 2458811.864801586064
(2019-Nov-24.36480159)
9.7764e-05 TDB
period 967.7067509558747
2.65
5.6898e-06
1.558e-08
d
yr
n .3720135254243103 2.1873e-09 deg/d
Q 2.061110786202703 8.0792e-09 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      21771 days (59.61 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:23  

Additional Information
 Earth MOID = .855133 au 
 Jupiter MOID = 3.01999 au 
 T_jup = 3.857 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO449616  

101809 (1999 JW5)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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