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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1276394003802716 2.6306e-08  
a 2.561648725282247 1.0054e-08 au
q 2.234681418002334 6.6244e-08 au
i 11.78850014595839 8.3742e-07 deg
node 135.2059375179536 4.6707e-06 deg
peri 62.83037451836259 1.0653e-05 deg
M 263.7606177835622 1.257e-05 deg
tp 2459600.839198813522
(2022-Jan-21.33919881)
5.336e-05 TDB
period 1497.537788103671
4.10
8.8162e-06
2.414e-08
d
yr
n .2403946016319677 1.4152e-09 deg/d
Q 2.888616032562159 1.1337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1913  
   data-arc span      11694 days (32.02 yr)  
   first obs. used      1989-03-08  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48081  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:59:44  

Additional Information
 Earth MOID = 1.26206 au 
 Jupiter MOID = 2.13896 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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