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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07090717620660313 4.3661e-08  
a 2.713019919276998 1.8448e-08 au
q 2.5206473378088 1.192e-07 au
i 9.051625203988765 5.2173e-06 deg
node 180.6795927445554 2.6748e-05 deg
peri 157.937418649779 4.3773e-05 deg
M 356.2446909975845 3.3862e-05 deg
tp 2458617.526331237156
(2019-May-14.02633124)
0.00015354 TDB
period 1632.217013682077
4.47
1.6648e-05
4.558e-08
d
yr
n .2205589066786438 2.2496e-09 deg/d
Q 2.905392500745196 1.9756e-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 = 1.51403 au 
 Jupiter MOID = 2.3859 au 
 T_jup = 3.341 
[ 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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