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362302 (2009 SY304)
Classification: Main-belt Asteroid          SPK-ID: 2362302
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454036001585834 5.8506e-08  
a 2.917532683631807 2.7723e-08 au
q 2.493312927851409 1.6912e-07 au
i 1.446495777297195 1.0843e-05 deg
node 20.2112232993901 0.00020345 deg
peri 286.0146519868748 0.00020958 deg
M 171.7043140744907 4.4644e-05 deg
tp 2458528.338089214649
(2019-Feb-13.83808921)
0.00022355 TDB
period 1820.212203562558
4.98
2.5944e-05
7.103e-08
d
yr
n .1977791376716409 2.819e-09 deg/d
Q 3.341752439412205 3.1754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      7387 days (20.22 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-11-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58388  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 12:02:00  

Additional Information
 Earth MOID = 1.4783 au 
 Jupiter MOID = 1.89781 au 
 T_jup = 3.265 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457695.5 (2016-Nov-03.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478428689473782 5.8793e-08  
q 2.483766912584008 1.7027e-07 au
tp 2458527.507511457404
(2019-Feb-13.00751146)
0.00021931 TDB
node 20.26318204247049 0.00020275 deg
peri 285.9957733510988 0.00020874 deg
i 1.451288809088042 1.0857e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      7387 days (20.22 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-11-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58388  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 12:02:00  

Additional Information
 Jupiter MOID = 1.89781 au 
 T_jup = 3.265 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.456594868327463E-15 -9.916093946149054E-15 6.796016998573935E-12 -2.69486047221865E-14 1.403012237822605E-12 5.109554225303904E-16
q -9.916093946149054E-15 2.899019080561269E-14 -1.907680204216221E-11 7.226941425575504E-14 -3.98703008385137E-12 -9.4312285645163E-16
tp 6.796016998573935E-12 -1.907680204216221E-11 4.809634457819497E-8 -2.219796239898276E-10 1.088601374344503E-8 6.797678687919018E-12
node -2.69486047221865E-14 7.226941425575504E-14 -2.219796239898276E-10 4.110678373422904E-8 -4.1141238822603E-8 -7.796523422694825E-10
peri 1.403012237822605E-12 -3.98703008385137E-12 1.088601374344503E-8 -4.1141238822603E-8 4.357421556946177E-8 7.808751698622992E-10
i 5.109554225303904E-16 -9.4312285645163E-16 6.797678687919018E-12 -7.796523422694825E-10 7.808751698622992E-10 1.178758762023492E-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 16.8   n/a MPO507604  

362302 (2009 SY304)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2009 SY304 = 2004 RC283 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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