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437965 (2003 AL73)
Classification: Apollo [NEO]          SPK-ID: 2437965
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6937173051680608 4.131e-08  
a 2.542822030864539 6.2678e-09 au
q .7788223840912153 1.0371e-07 au
i 9.636885707383501 1.4267e-05 deg
node 217.3512773050804 0.0001366 deg
peri 336.3957662478392 0.00013127 deg
M 88.1973276534813 4.2659e-06 deg
tp 2458637.651526217435
(2019-Jun-03.15152622)
1.6511e-05 TDB
period 1481.059052888065
4.05
5.476e-06
1.499e-08
d
yr
n .2430693086126444 8.9871e-10 deg/d
Q 4.306821677637862 1.0616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4596 days (12.58 yr)  
   first obs. used      2003-01-12  
   last obs. used      2015-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57054  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:38  

Additional Information
 Earth MOID = .105098 au 
 Jupiter MOID = .760857 au 
 T_jup = 3.039 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456498.5 (2013-Jul-25.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6936795747615661 4.133e-08  
q .7788568912678967 1.0358e-07 au
tp 2457155.257458908406
(2015-May-12.75745891)
1.2755e-05 TDB
node 217.4062263602953 0.00013669 deg
peri 336.3438608732825 0.00013135 deg
i 9.632215490633108 1.4258e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4596 days (12.58 yr)  
   first obs. used      2003-01-12  
   last obs. used      2015-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57054  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:38  

Additional Information
 Jupiter MOID = .760857 au 
 T_jup = 3.039 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.708136749455876E-15 -4.28059636715136E-15 1.811089149956621E-13 -6.552289761848012E-13 5.142360813079409E-13 -1.439845673212532E-13
q -4.28059636715136E-15 1.0729450936306E-14 -4.455857709123221E-13 1.588750235086126E-12 -1.23524831823509E-12 3.571510394689857E-13
tp 1.811089149956621E-13 -4.455857709123221E-13 1.626996804978089E-10 1.264239046848659E-10 -2.80771656010593E-11 -9.884467447207112E-13
node -6.552289761848012E-13 1.588750235086126E-12 1.264239046848659E-10 1.868314169671505E-8 -1.788401653239114E-8 1.698560255114893E-9
peri 5.142360813079409E-13 -1.23524831823509E-12 -2.80771656010593E-11 -1.788401653239114E-8 1.725397507599628E-8 -1.631660066089242E-9
i -1.439845673212532E-13 3.571510394689857E-13 -9.884467447207112E-13 1.698560255114893E-9 -1.631660066089242E-9 2.032853749672229E-10

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 19.4   n/a MPO346158  

437965 (2003 AL73)          Discovered 2003-Jan-12 by LINEAR at Socorro
Reference: Last Updated: 2015-07-06

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