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332887 (2011 AJ55)
Classification: Main-belt Asteroid          SPK-ID: 2332887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303196296702011 9.5992e-08  
a 2.741217699996864 4.7166e-08 au
q 2.383983224487872 2.71e-07 au
i 4.387796330681513 9.3423e-06 deg
node 105.6532062032253 0.0001295 deg
peri 94.34542084152135 0.00013711 deg
M 312.5354533786584 3.8933e-05 deg
tp 2459219.064968197289
(2021-Jan-04.56496820)
0.00017979 TDB
period 1657.729698310136
4.54
4.2785e-05
1.171e-07
d
yr
n .2171644752259541 5.6048e-09 deg/d
Q 3.098452175505856 5.3312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      4694 days (12.85 yr)  
   first obs. used      2007-03-15  
   last obs. used      2020-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61374  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:12:13  

Additional Information
 Earth MOID = 1.38637 au 
 Jupiter MOID = 1.86945 au 
 T_jup = 3.333 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO413328  

332887 (2011 AJ55)          Discovered 2007-Mar-15 by Bickel, W. at Bergisch Gladbach
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2011 AJ55 = 2009 UK159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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