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487500 (2014 SQ300)
Classification: Main-belt Asteroid          SPK-ID: 2487500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07802139472374435 7.6632e-08  
a 3.080984886258046 6.4824e-08 au
q 2.840602148309416 2.5478e-07 au
i 10.2660563770652 9.5839e-06 deg
node 17.11879525131889 3.3782e-05 deg
peri 294.2213233753484 7.9701e-05 deg
M 87.54908465662956 7.4113e-05 deg
tp 2458520.123351593204
(2019-Feb-05.62335159)
0.00041035 TDB
period 1975.298703632432
5.41
6.2341e-05
1.707e-07
d
yr
n .1822509169565018 5.7519e-09 deg/d
Q 3.321367624206675 6.9882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      5855 days (16.03 yr)  
   first obs. used      2003-10-18  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:46:00  

Additional Information
 Earth MOID = 1.84702 au 
 Jupiter MOID = 1.95277 au 
 T_jup = 3.199 
[ 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 16.1   n/a MPO495389  

487500 (2014 SQ300)          Discovered 2012-Mar-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

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