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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2212478086828069 7.8008e-08  
a 2.284584047108987 1.9202e-08 au
q 1.779124832934425 1.767e-07 au
i 22.69764654251381 9.1331e-06 deg
node 130.3703336353452 1.4954e-05 deg
peri 39.32629215654723 2.0762e-05 deg
M 228.4770206741252 1.2463e-05 deg
tp 2459461.295547557356
(2021-Sep-03.79554756)
4.5684e-05 TDB
period 1261.273109618595
3.45
1.5902e-05
4.354e-08
d
yr
n .2854258901221346 3.5986e-09 deg/d
Q 2.790043261283548 2.3451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      5660 days (15.50 yr)  
   first obs. used      2004-02-22  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49969  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:52  

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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