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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743598511749519 7.5668e-08  
a 2.708965151947093 3.0704e-08 au
q 2.236630391215467 2.1334e-07 au
i 13.03652612140508 6.7257e-06 deg
node 256.6267468483898 3.1788e-05 deg
peri 52.65209196042193 3.8544e-05 deg
M 304.1890479344571 2.7034e-05 deg
tp 2459252.976223042858
(2021-Feb-07.47622304)
0.00012461 TDB
period 1628.559215200066
4.46
2.7687e-05
7.58e-08
d
yr
n .221054289362008 3.7582e-09 deg/d
Q 3.181299912678719 3.6057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2001-02-20  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:05:26  

Additional Information
 Earth MOID = 1.24754 au 
 Jupiter MOID = 2.10497 au 
 T_jup = 3.305 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457015.5 (2014-Dec-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1728593672643343 7.5575e-08  
q 2.242074804766118 2.1236e-07 au
tp 2457624.161295283275
(2016-Aug-23.66129528)
0.00011238 TDB
node 256.6631234845113 3.1784e-05 deg
peri 52.53872537551226 3.8636e-05 deg
i 13.03302210365966 6.7243e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2001-02-20  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:05:26  

Additional Information
 Jupiter MOID = 2.10497 au 
 T_jup = 3.305 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.711599649923992E-15 -1.593982088066993E-14 2.095223818001463E-12 -4.14926098136395E-14 3.193676008977282E-13 -2.010001806423563E-15
q -1.593982088066993E-14 4.509708643726857E-14 -4.601812630227893E-12 1.062536032651178E-13 -6.938545121676889E-13 7.70767829969914E-15
tp 2.095223818001463E-12 -4.601812630227893E-12 1.262963690846117E-8 -5.649229093472604E-11 2.512403094249508E-9 -8.604541896291647E-12
node -4.14926098136395E-14 1.062536032651178E-13 -5.649229093472604E-11 1.010228669437928E-9 -9.949231825642237E-10 -9.758261808384364E-12
peri 3.193676008977282E-13 -6.938545121676889E-13 2.512403094249508E-9 -9.949231825642237E-10 1.492768781212676E-9 7.651851417405022E-12
i -2.010001806423563E-15 7.70767829969914E-15 -8.604541896291647E-12 -9.758261808384364E-12 7.651851417405022E-12 4.521641923909375E-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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