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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2211531528784373 7.7992e-08  
a 2.284891677181192 1.9316e-08 au
q 1.779580678786871 1.7672e-07 au
i 22.69567042178703 9.1322e-06 deg
node 130.3705010620738 1.4955e-05 deg
peri 39.39635998703874 2.0768e-05 deg
M 114.2143781240094 1.2136e-05 deg
tp 2458200.264940339184
(2018-Mar-22.76494034)
4.1967e-05 TDB
period 1261.527872799453
3.45
1.5997e-05
4.38e-08
d
yr
n .2853682489005376 3.6187e-09 deg/d
Q 2.790202675575514 2.3588e-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 = .828891 au 
 Jupiter MOID = 2.30523 au 
 T_jup = 3.470 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457583.5 (2016-Jul-14.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2208633229221221 7.8073e-08  
q 1.780681131020057 1.7684e-07 au
tp 2458200.131646934842
(2018-Mar-22.63164693)
4.2019e-05 TDB
node 130.4050638623167 1.4957e-05 deg
peri 39.35298512707766 2.0778e-05 deg
i 22.6902192789948 9.1318e-06 deg
  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
 Jupiter MOID = 2.30523 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.095356285191366E-15 -1.375741056806318E-14 -9.838842619102524E-13 3.419118768497964E-14 -3.660757743722272E-13 -2.369617529762339E-14
q -1.375741056806318E-14 3.12722478736687E-14 2.281136635007843E-12 -7.539958900392857E-14 8.088538930898639E-13 5.552499377193744E-14
tp -9.838842619102524E-13 2.281136635007843E-12 1.765581062757377E-9 -1.195225727843325E-11 6.157415385642327E-10 8.476658278629541E-12
node 3.419118768497964E-14 -7.539958900392857E-14 -1.195225727843325E-11 2.237128202992746E-10 -2.102886473451542E-10 5.302581250235129E-11
peri -3.660757743722272E-13 8.088538930898639E-13 6.157415385642327E-10 -2.102886473451542E-10 4.317216528705365E-10 -4.642991757979994E-11
i -2.369617529762339E-14 5.552499377193744E-14 8.476658278629541E-12 5.302581250235129E-11 -4.642991757979994E-11 8.338920672503565E-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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