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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2212477563359097 6.1128e-08  
a 2.284584043879998 1.7434e-08 au
q 1.779124950010729 1.4215e-07 au
i 22.6976393670328 6.9325e-06 deg
node 130.3703371585134 1.3588e-05 deg
peri 39.32628113209645 1.7971e-05 deg
M 228.4770261824251 1.193e-05 deg
tp 2459461.295527281907
(2021-Sep-03.79552728)
4.4442e-05 TDB
period 1261.273106944605
3.45
1.4437e-05
3.953e-08
d
yr
n .285425890727258 3.2671e-09 deg/d
Q 2.790043137749267 2.1291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      6110 days (16.73 yr)  
   first obs. used      2004-02-22  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:27:17  

Additional Information
 Earth MOID = .827866 au 
 Jupiter MOID = 2.30367 au 
 T_jup = 3.470 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457906.5 (2017-Jun-02.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .220848930817611 6.1214e-08  
q 1.780520372195306 1.4233e-07 au
tp 2458200.268952075473
(2018-Mar-22.76895208)
3.8623e-05 TDB
node 130.3954872032474 1.3593e-05 deg
peri 39.40424582644078 1.7986e-05 deg
i 22.68924328104426 6.9309e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      6110 days (16.73 yr)  
   first obs. used      2004-02-22  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:27:17  

Additional Information
 Jupiter MOID = 2.30367 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.747143994154572E-15 -8.67359678791896E-15 -4.10562172892759E-13 1.959590783361729E-14 -6.784560639663592E-14 -9.645153065705647E-15
q -8.67359678791896E-15 2.025888917372157E-14 1.067829555785432E-12 -4.33372273479426E-14 1.76248512749733E-13 2.506392756647234E-14
tp -4.10562172892759E-13 1.067829555785432E-12 1.491717279202539E-9 2.307090879335134E-12 4.694055395485928E-10 1.459718004442961E-11
node 1.959590783361729E-14 -4.33372273479426E-14 2.307090879335134E-12 1.847692167365141E-10 -1.688189205066911E-10 2.263818073667269E-11
peri -6.784560639663592E-14 1.76248512749733E-13 4.694055395485928E-10 -1.688189205066911E-10 3.235075188630565E-10 -1.642600654494941E-11
i -9.645153065705647E-15 2.506392756647234E-14 1.459718004442961E-11 2.263818073667269E-11 -1.642600654494941E-11 4.803775614449797E-11

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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