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304330 (2006 SX217)
Classification: Apollo [NEO, PHA]          SPK-ID: 2304330
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3099955040764469 1.4462e-08  
a 1.411617812530536 7.2661e-09 au
q .9740226371718413 2.1662e-08 au
i 21.0409829104601 2.0449e-06 deg
node 32.62308965516048 8.7863e-06 deg
peri 176.171485029126 1.532e-05 deg
M 350.0863241766232 1.3798e-05 deg
tp 2459217.369660180127
(2021-Jan-02.86966018)
2.3593e-05 TDB
period 612.5959505882994
1.68
4.7299e-06
1.295e-08
d
yr
n .5876630422618337 4.5374e-09 deg/d
Q 1.849212987889231 9.5186e-09 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   # delay obs. used      13  
   # Doppler obs. used      3  
   data-arc span      6471 days (17.72 yr)  
   first obs. used      2001-10-19  
   last obs. used      2019-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:50:42  

Additional Information
 Earth MOID = .0319593 au 
 Jupiter MOID = 3.11188 au 
 T_jup = 4.610 
[ 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 18.9   n/a MPO297572  
diameter diameter 0.780 km 0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.080   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

304330 (2006 SX217)          Discovered 2006-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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