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344688 (2003 SA298)
Classification: Main-belt Asteroid          SPK-ID: 2344688
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743597962436483 6.0143e-08  
a 2.708965137516518 2.8213e-08 au
q 2.236630528107991 1.8007e-07 au
i 13.03652416597449 6.5031e-06 deg
node 256.6267209060344 2.4289e-05 deg
peri 52.65210653958065 3.1191e-05 deg
M 304.1890672124648 2.141e-05 deg
tp 2459252.976133816079
(2021-Feb-07.47613382)
9.8469e-05 TDB
period 1628.559202187138
4.46
2.5441e-05
6.965e-08
d
yr
n .2210542911283322 3.4533e-09 deg/d
Q 3.181299746925045 3.3132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      7063 days (19.34 yr)  
   first obs. used      2001-02-20  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:02  

Additional Information
 Earth MOID = 1.24754 au 
 Jupiter MOID = 2.10497 au 
 T_jup = 3.305 
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Orbital Elements at Epoch 2457586.5 (2016-Jul-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1733441436321108 6.0142e-08  
q 2.239906745805645 1.7999e-07 au
tp 2457624.389069375048
(2016-Aug-23.88906938)
9.1234e-05 TDB
node 256.6339187649811 2.4289e-05 deg
peri 52.71261104409189 3.1271e-05 deg
i 13.03418867383675 6.5025e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      7063 days (19.34 yr)  
   first obs. used      2001-02-20  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:02  

Additional Information
 Jupiter MOID = 2.10497 au 
 T_jup = 3.305 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.617065132688195E-15 -1.077852111815168E-14 -8.707945917201688E-13 -1.517498915888038E-14 -1.26807192766106E-13 -3.452158536007761E-15
q -1.077852111815168E-14 3.239799197666778E-14 2.743474656225195E-12 4.178317580711709E-14 4.116156902718973E-13 1.284219581371742E-14
tp -8.707945917201688E-13 2.743474656225195E-12 8.323671223085311E-9 1.524080663489125E-11 1.822990965595474E-9 -5.714525654075565E-12
node -1.517498915888038E-14 4.178317580711709E-14 1.524080663489125E-11 5.899796159140589E-10 -5.719864846976284E-10 -4.177872547488932E-11
peri -1.26807192766106E-13 4.116156902718973E-13 1.822990965595474E-9 -5.719864846976284E-10 9.778710632303715E-10 3.952768089084793E-11
i -3.452158536007761E-15 1.284219581371742E-14 -5.714525654075565E-12 -4.177872547488932E-11 3.952768089084793E-11 4.228260806745981E-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 16.2   n/a MPO434168  

344688 (2003 SA298)          Discovered 2003-Sep-18 by NEAT at Haleakala
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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