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JPL Small-Body Database Browser
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249911 (2001 SN166)
Classification: Main-belt Asteroid          SPK-ID: 2249911
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2795438298468991 4.0867e-08  
a 2.764761464392379 1.8055e-08 au
q 1.991889456023012 1.182e-07 au
i 8.346042717751395 5.1875e-06 deg
node 177.9474329879804 2.9411e-05 deg
peri 256.9276119331987 3.1129e-05 deg
M 251.7083435842118 9.6667e-06 deg
tp 2459105.600064723834
(2020-Sep-13.10006472)
4.8105e-05 TDB
period 1679.132347947627
4.60
1.6449e-05
4.503e-08
d
yr
n .2143964413764176 2.1002e-09 deg/d
Q 3.537633472761745 2.3103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      6618 days (18.12 yr)  
   first obs. used      2001-09-11  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53922  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:48:26  

Additional Information
 Earth MOID = 1.02589 au 
 Jupiter MOID = 1.85574 au 
 T_jup = 3.267 
[ 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 MPO454853  

249911 (2001 SN166)          Discovered 2001-Sep-19 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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