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487482 (2014 SS218)
Classification: Main-belt Asteroid          SPK-ID: 2487482
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03879077123774664 5.7935e-08  
a 3.149115016996804 4.633e-08 au
q 3.026958416771128 1.6807e-07 au
i 11.47241705739058 5.8293e-06 deg
node 155.8850495642515 3.0171e-05 deg
peri 91.81296117478162 8.8313e-05 deg
M 167.6223040525329 8.526e-05 deg
tp 2458050.091052115484
(2017-Oct-23.59105212)
0.00048184 TDB
period 2041.179562423845
5.59
4.5045e-05
1.233e-07
d
yr
n .1763686089294907 3.8921e-09 deg/d
Q 3.271271617222479 4.8127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      8911 days (24.40 yr)  
   first obs. used      1995-07-06  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53815  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:43:55  

Additional Information
 Earth MOID = 2.04261 au 
 Jupiter MOID = 1.77971 au 
 T_jup = 3.176 
[ 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 15.9   n/a MPO456350  

487482 (2014 SS218)          Discovered 2005-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
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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