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442182 (2011 AL75)
Classification: Main-belt Asteroid          SPK-ID: 2442182
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2212478069163542 7.6402e-08  
a 2.284584051871311 1.8875e-08 au
q 1.779124840678705 1.7327e-07 au
i 22.69763958001047 8.9487e-06 deg
node 130.370337732585 1.4594e-05 deg
peri 39.32627404120699 1.973e-05 deg
M 228.4770287421567 1.2157e-05 deg
tp 2459461.295520731539
(2021-Sep-03.79552073)
4.4853e-05 TDB
period 1261.27311356237
3.45
1.5631e-05
4.28e-08
d
yr
n .2854258892296589 3.5373e-09 deg/d
Q 2.790043263063916 2.3051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      6085 days (16.66 yr)  
   first obs. used      2004-02-22  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49508  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:48:30  

Additional Information
 Earth MOID = .827866 au 
 Jupiter MOID = 2.30367 au 
 T_jup = 3.470 
[ 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 16.9   n/a MPO456095  

442182 (2011 AL75)          Discovered 2004-Feb-22 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 AL75 = 2004 DV49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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