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JPL Small-Body Database Browser
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66966 (1999 XJ52)
Classification: Main-belt Asteroid          SPK-ID: 2066966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09553003620229307 6.1031e-08  
a 3.126857312764207 2.9055e-08 au
q 2.828148520476437 1.9136e-07 au
i 12.4152229976028 5.5125e-06 deg
node 254.0648613251299 3.2697e-05 deg
peri 290.2829203359124 4.405e-05 deg
M 141.9815104526669 3.0106e-05 deg
tp 2458203.992602576877
(2018-Mar-26.49260258)
0.00016657 TDB
period 2019.57749398586
5.53
2.8149e-05
7.707e-08
d
yr
n .1782551058684558 2.4846e-09 deg/d
Q 3.425566105051976 3.1831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      6767 days (18.53 yr)  
   first obs. used      1999-12-07  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:44:27  

Additional Information
 Earth MOID = 1.85794 au 
 Jupiter MOID = 1.71994 au 
 T_jup = 3.171 
[ 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 13.9   n/a MPO436250  

66966 (1999 XJ52)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XJ52 = 2000 YM21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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