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66290 (1999 JX22)
Classification: Main-belt Asteroid          SPK-ID: 2066290
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1946155126846323 3.1265e-08  
a 2.367596749720383 8.5502e-09 au
q 1.906825694443081 7.3311e-08 au
i .4837123558333232 3.8588e-06 deg
node 217.9629284065792 0.00045737 deg
peri 69.00228439823637 0.00045749 deg
M 286.4287021706168 1.1587e-05 deg
tp 2459472.435524698321
(2021-Sep-14.93552470)
4.3539e-05 TDB
period 1330.638330160014
3.64
7.2081e-06
1.973e-08
d
yr
n .2705468434512245 1.4656e-09 deg/d
Q 2.828367804997684 1.0214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      9517 days (26.06 yr)  
   first obs. used      1995-03-02  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56149  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:01:22  

Additional Information
 Earth MOID = .888563 au 
 Jupiter MOID = 2.33509 au 
 T_jup = 3.521 
[ 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 15.91   n/a E2021B10  
diameter diameter 1.675 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.301   0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

66290 (1999 JX22)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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