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66363 (1999 JX91)
Classification: Main-belt Asteroid          SPK-ID: 2066363
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05224150176316875 4.3784e-08  
a 2.237833079003983 8.6838e-09 au
q 2.120925318261519 9.6639e-08 au
i 7.702550628335945 3.9015e-06 deg
node 104.1623361046215 3.9474e-05 deg
peri 64.99449965250832 6.2799e-05 deg
M 158.2222590659646 4.8198e-05 deg
tp 2458463.090869375775
(2018-Dec-10.59086938)
0.00016346 TDB
period 1222.756445059113
3.35
7.1172e-06
1.949e-08
d
yr
n .294416767504829 1.7137e-09 deg/d
Q 2.354740839746447 9.1374e-09 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      7375 days (20.19 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:55:56  

Additional Information
 Earth MOID = 1.14141 au 
 Jupiter MOID = 2.63352 au 
 T_jup = 3.623 
[ 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 15.8   n/a MPO333371  

66363 (1999 JX91)          Discovered 1999-May-12 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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