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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14550143171787 5.8425e-08  
a 2.917113064967917 2.7681e-08 au
q 2.492668937532181 1.688e-07 au
i 1.446506000157058 1.0843e-05 deg
node 20.21513180081074 0.00020345 deg
peri 285.9482456259002 0.00020958 deg
M 133.0116012323696 4.4521e-05 deg
tp 2458528.119141584219
(2019-Feb-13.61914158)
0.00022338 TDB
period 1819.819525417264
4.98
2.5903e-05
7.092e-08
d
yr
n .1978218141809727 2.8158e-09 deg/d
Q 3.341557192403653 3.1709e-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-Apr-14 09:39:00  

Additional Information
 Earth MOID = 1.4762 au 
 Jupiter MOID = 1.89871 au 
 T_jup = 3.265 
[ show covariance matrix ]

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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