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JPL Small-Body Database Browser
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249914 (2001 SX181)
Classification: Main-belt Asteroid          SPK-ID: 2249914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07544764813856257 5.69e-08  
a 2.711034357779775 1.9854e-08 au
q 2.506493191462453 1.5591e-07 au
i 5.122696019413379 6.0957e-06 deg
node 345.1736544548634 5.8529e-05 deg
peri 355.8028713636149 6.9383e-05 deg
M 338.4105264689688 3.5758e-05 deg
tp 2458698.277856067690
(2019-Aug-02.77785607)
0.00016191 TDB
period 1630.425500361282
4.46
1.7911e-05
4.904e-08
d
yr
n .2208012570462303 2.4256e-09 deg/d
Q 2.915575524097098 2.1352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      6645 days (18.19 yr)  
   first obs. used      2001-08-12  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:48:46  

Additional Information
 Earth MOID = 1.49705 au 
 Jupiter MOID = 2.39483 au 
 T_jup = 3.353 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO360274  

249914 (2001 SX181)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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