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487481 (2014 SP218)
Classification: Outer Main-belt Asteroid          SPK-ID: 2487481
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0291702581796775 7.5477e-08  
a 3.20370818413325 5.8944e-08 au
q 3.110255189269737 2.3774e-07 au
i 10.28480436851245 7.0564e-06 deg
node 162.262750812336 4.1049e-05 deg
peri 67.4608726879306 0.00013566 deg
M 177.8133179368069 0.000134 deg
tp 2457965.978221080324
(2017-Jul-31.47822108)
0.00077718 TDB
period 2094.487886129207
5.73
5.7804e-05
1.583e-07
d
yr
n .1718797241006301 4.7435e-09 deg/d
Q 3.297161178996763 6.0663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5351 days (14.65 yr)  
   first obs. used      2005-03-04  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:45:35  

Additional Information
 Earth MOID = 2.12058 au 
 Jupiter MOID = 1.69785 au 
 T_jup = 3.168 
[ 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 16.2   n/a MPO495389  

487481 (2014 SP218)          Discovered 2005-Mar-04 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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