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249918 (2001 SS259)
Classification: Main-belt Asteroid          SPK-ID: 2249918
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07108921175769264 4.3674e-08  
a 2.71382125967534 1.8426e-08 au
q 2.520897845473752 1.1929e-07 au
i 9.050482457470412 5.2166e-06 deg
node 180.6745323509677 2.6751e-05 deg
peri 158.1506715928656 4.3686e-05 deg
M 84.24702701876684 3.3788e-05 deg
tp 2458618.360113152708
(2019-May-14.86011315)		 0.00015307 TDB
period 1632.940225111802
4.47		 1.663e-05
4.553e-08		 d
yr
n .2204612235425531 2.2453e-09 deg/d
Q 2.906744673876929 1.9736e-08 au
   Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      6654 days (18.22 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:49:33  

Additional Information
 Earth MOID = 1.51519 au 
 Jupiter MOID = 2.38544 au 
 T_jup = 3.340 
[ 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 16.0   n/a MPO454854  

249918 (2001 SS259)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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