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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07636299568712292 4.5332e-08  
a 1.91498932941565 7.4792e-09 au
q 1.768755007512597 8.5154e-08 au
i 19.67123328079441 5.6347e-06 deg
node 218.5596440013504 1.2944e-05 deg
peri 274.9783974646681 4.0022e-05 deg
M 144.4609998636326 3.625e-05 deg
tp 2458812.084922436856
(2019-Nov-24.58492244)
9.7969e-05 TDB
period 967.9389458381645
2.65
5.6706e-06
1.553e-08
d
yr
n .3719242846337444 2.1789e-09 deg/d
Q 2.061223651318704 8.0503e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53026  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:44  

Additional Information
 Earth MOID = .854731 au 
 Jupiter MOID = 3.01836 au 
 T_jup = 3.856 
[ 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 16.71   n/a E2021B55  

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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