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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275570471693367 2.6092e-08  
a 2.561852153331005 1.0025e-08 au
q 2.235069857367695 6.579e-08 au
i 11.78868418822034 8.3652e-07 deg
node 135.2053045595067 4.6661e-06 deg
peri 62.78422490692692 1.0626e-05 deg
M 310.9109235762567 1.2601e-05 deg
tp 2459600.726399711723
(2022-Jan-21.22639971)
5.2974e-05 TDB
period 1497.716177456123
4.10
8.7915e-06
2.407e-08
d
yr
n .2403659688122361 1.4109e-09 deg/d
Q 2.888634449294315 1.1304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1973  
   data-arc span      11761 days (32.20 yr)  
   first obs. used      1989-03-08  
   last obs. used      2021-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47543  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:39:01  

Additional Information
 Earth MOID = 1.26377 au 
 Jupiter MOID = 2.13802 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 13.44   n/a MPCxxxxx  

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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