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469544 (2003 SA344)
Classification: Main-belt Asteroid          SPK-ID: 2469544
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138935293381983 1.1022e-07  
a 2.700532094288423 3.2442e-08 au
q 2.325332875481 3.1069e-07 au
i 4.540252295505152 1.0192e-05 deg
node 311.4038610276319 0.00011085 deg
peri 47.92669000041742 0.00012775 deg
M 269.4154894557862 5.4967e-05 deg
tp 2459408.371990767791
(2021-Jul-12.87199077)
0.00025126 TDB
period 1620.96053502145
4.44
2.9209e-05
7.997e-08
d
yr
n .2220905396658755 4.002e-09 deg/d
Q 3.075731313095845 3.6949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      5203 days (14.25 yr)  
   first obs. used      2003-09-17  
   last obs. used      2017-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49695  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:06:58  

Additional Information
 Earth MOID = 1.32442 au 
 Jupiter MOID = 2.37881 au 
 T_jup = 3.349 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456466.5 (2013-Jun-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368864910814253 1.1118e-07  
q 2.332764790097285 3.1242e-07 au
tp 2456170.538924191456
(2012-Aug-31.03892419)
0.00023571 TDB
node 311.4580596355236 0.00011103 deg
peri 48.77689651626306 0.00012852 deg
i 4.535112195856648 1.0175e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      5203 days (14.25 yr)  
   first obs. used      2003-09-17  
   last obs. used      2017-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49695  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:06:58  

Additional Information
 Jupiter MOID = 2.37881 au 
 T_jup = 3.349 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.236119636710861E-14 -3.46232979632612E-14 3.877569954498008E-12 9.784411064749347E-14 1.261700093598521E-12 -3.503862419365344E-14
q -3.46232979632612E-14 9.760792147367123E-14 -8.898376928439259E-12 -2.829047942000857E-13 -2.970634981830987E-12 9.738272834196335E-14
tp 3.877569954498008E-12 -8.898376928439259E-12 5.555959082451827E-8 -3.313555195383367E-11 1.53235862669637E-8 -2.395954850551054E-11
node 9.784411064749347E-14 -2.829047942000857E-13 -3.313555195383367E-11 1.232689661886146E-8 -1.229463039095696E-8 4.094950998611208E-10
peri 1.261700093598521E-12 -2.970634981830987E-12 1.53235862669637E-8 -1.229463039095696E-8 1.651633717014274E-8 -4.156749245002394E-10
i -3.503862419365344E-14 9.738272834196335E-14 -2.395954850551054E-11 4.094950998611208E-10 -4.156749245002394E-10 1.035353062629888E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO434688  

469544 (2003 SA344)          Discovered 2003-Sep-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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