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11863 (1989 EX)
Classification: Main-belt Asteroid          SPK-ID: 2011863
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278076661751091 4.2032e-08  
a 2.561121517575003 1.1531e-08 au
q 2.233790553622888 1.0349e-07 au
i 11.78837439242741 4.1479e-06 deg
node 135.208249026236 2.1808e-05 deg
peri 62.89507966607815 2.8191e-05 deg
M 215.6121965723733 1.9226e-05 deg
tp 2459600.942898890316
(2022-Jan-21.44289889)
8.1557e-05 TDB
period 1497.075504087588
4.10
1.011e-05
2.768e-08
d
yr
n .240468833413587 1.624e-09 deg/d
Q 2.888452481527118 1.3004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1669  
   data-arc span      11571 days (31.68 yr)  
   first obs. used      1989-03-08  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:47:17  

Additional Information
 Earth MOID = 1.26181 au 
 Jupiter MOID = 2.14024 au 
 T_jup = 3.394 
[ 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 13.4   n/a MPO395116  

11863 (1989 EX)          Discovered 1989-Mar-08 by Hioki, T., Kawasato, N. at Okutama
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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