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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07553388439500655 5.6797e-08  
a 2.711445314738298 1.9457e-08 au
q 2.506639317791473 1.5552e-07 au
i 5.12245897591786 6.0484e-06 deg
node 345.1690135532079 5.7169e-05 deg
peri 355.9983176455336 6.8041e-05 deg
M 66.55042478047552 3.5126e-05 deg
tp 2458699.027270673513
(2019-Aug-03.52727067)
0.00015932 TDB
period 1630.796240828437
4.46
1.7554e-05
4.806e-08
d
yr
n .2207510607316102 2.3761e-09 deg/d
Q 2.916251311685123 2.0927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      6729 days (18.42 yr)  
   first obs. used      2001-08-12  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:28:17  

Additional Information
 Earth MOID = 1.49815 au 
 Jupiter MOID = 2.39604 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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