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11953 (1994 BW)
Classification: Main-belt Asteroid          SPK-ID: 2011953
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0931238537517862 3.39e-08  
a 2.32302233644078 9.2223e-09 au
q 2.106693544119936 7.6016e-08 au
i 7.308047638360926 3.4596e-06 deg
node 104.7284721997474 3.0219e-05 deg
peri 124.5631748889663 3.6892e-05 deg
M 63.29182071846115 2.0846e-05 deg
tp 2458773.135009140505
(2019-Oct-16.63500914)
7.4781e-05 TDB
period 1293.238143258905
3.54
7.7012e-06
2.108e-08
d
yr
n .2783710037293018 1.6577e-09 deg/d
Q 2.539351128761624 1.0081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      10778 days (29.51 yr)  
   first obs. used      1991-04-16  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:56:10  

Additional Information
 Earth MOID = 1.10524 au 
 Jupiter MOID = 2.46504 au 
 T_jup = 3.560 
[ 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 15.1   n/a MPO384862  

11953 (1994 BW)          Discovered 1994-Jan-19 by Kobayashi, T. at Oizumi
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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