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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6938902918937799 4.1516e-08  
a 2.542061690949287 6.1706e-09 au
q .7781497622044904 1.0425e-07 au
i 9.640645885304753 1.4286e-05 deg
node 217.336906932442 0.00013704 deg
peri 336.3804483828636 0.00013165 deg
M 184.5694536207759 4.5638e-06 deg
tp 2460117.906865076930
(2023-Jun-22.40686508)
2.1058e-05 TDB
period 1480.394815999111
4.05
5.3903e-06
1.476e-08
d
yr
n .2431783711408351 8.8544e-10 deg/d
Q 4.305973619694083 1.0452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      4596 days (12.58 yr)  
   first obs. used      2003-01-12  
   last obs. used      2015-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53782  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:28:26  

Additional Information
 Earth MOID = .105262 au 
 Jupiter MOID = .759872 au 
 T_jup = 3.039 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456474.5 (2013-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6936743871329629 4.1447e-08  
q .7788705475121042 1.0388e-07 au
tp 2457155.271286225689
(2015-May-12.77128623)
1.2759e-05 TDB
node 217.4064379101926 0.00013716 deg
peri 336.3444165206882 0.00013178 deg
i 9.632123131165383 1.428e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      4596 days (12.58 yr)  
   first obs. used      2003-01-12  
   last obs. used      2015-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53782  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:28:26  

Additional Information
 Jupiter MOID = .759872 au 
 T_jup = 3.039 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.717813765030134E-15 -4.304837109779938E-15 1.804463583237784E-13 -6.654198086007854E-13 5.211183820621649E-13 -1.451833656585641E-13
q -4.304837109779938E-15 1.07901767979301E-14 -4.439620590786442E-13 1.613487777928814E-12 -1.251766705352283E-12 3.600959058107417E-13
tp 1.804463583237784E-13 -4.439620590786442E-13 1.627834793445758E-10 1.291771093458156E-10 -3.047575910438755E-11 -7.743244757417605E-13
node -6.654198086007854E-13 1.613487777928814E-12 1.291771093458156E-10 1.88127280038005E-8 -1.800357092902402E-8 1.707358828063411E-9
peri 5.211183820621649E-13 -1.251766705352283E-12 -3.047575910438755E-11 -1.800357092902402E-8 1.736502147569816E-8 -1.639624765871484E-9
i -1.451833656585641E-13 3.600959058107417E-13 -7.743244757417605E-13 1.707358828063411E-9 -1.639624765871484E-9 2.039119975799775E-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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