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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1945786234092796 3.3139e-08  
a 2.367999590307065 9.4135e-09 au
q 1.907237489791378 7.6827e-08 au
i .4836484484700485 4.1223e-06 deg
node 217.9753991892804 0.00047871 deg
peri 68.93794819241272 0.00047884 deg
M 232.3829744881408 1.264e-05 deg
tp 2459472.320686721422
(2021-Sep-14.82068672)
4.816e-05 TDB
period 1330.977951714817
3.64
7.9366e-06
2.173e-08
d
yr
n .2704778088443766 1.6129e-09 deg/d
Q 2.828761690822752 1.1245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      9075 days (24.85 yr)  
   first obs. used      1995-03-02  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:48:28  

Additional Information
 Earth MOID = .890907 au 
 Jupiter MOID = 2.33524 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 15.9   n/a MPO459296  
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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