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175784 (1999 JX66)
Classification: Main-belt Asteroid          SPK-ID: 2175784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1748726072196937 3.9265e-08  
a 2.732766449385744 1.6584e-08 au
q 2.254880455459154 1.1119e-07 au
i 8.075963761285134 4.8078e-06 deg
node 180.089362674946 2.9359e-05 deg
peri 68.65082284145319 3.2582e-05 deg
M 259.1693063087446 1.6625e-05 deg
tp 2459662.660108884191
(2022-Mar-24.16010888)
7.8633e-05 TDB
period 1650.0693698266
4.52
1.5021e-05
4.113e-08
d
yr
n .2181726456978177 1.986e-09 deg/d
Q 3.210652443312335 1.9484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      8017 days (21.95 yr)  
   first obs. used      1999-03-25  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:50  

Additional Information
 Earth MOID = 1.25538 au 
 Jupiter MOID = 1.85882 au 
 T_jup = 3.317 
[ 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 15.5   n/a MPO264395  

175784 (1999 JX66)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1999 JX66 = 2000 SE194 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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