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JPL Small-Body Database Browser
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249926 (2001 SQ346)
Classification: Main-belt Asteroid          SPK-ID: 2249926
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361714319583621 9.1206e-08  
a 2.747076645539934 2.8312e-08 au
q 2.373003285017387 2.5373e-07 au
i 11.46441903174392 6.9063e-06 deg
node 289.2398871947625 3.8967e-05 deg
peri 352.8186927258497 5.1007e-05 deg
M 15.77848453644492 3.5408e-05 deg
tp 2458527.610095746593
(2019-Feb-13.11009575)
0.00016382 TDB
period 1663.047263545305
4.55
2.571e-05
7.039e-08
d
yr
n .2164700955236518 3.3465e-09 deg/d
Q 3.12115000606248 3.2168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      6669 days (18.26 yr)  
   first obs. used      2001-07-24  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62501  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:48:47  

Additional Information
 Earth MOID = 1.35639 au 
 Jupiter MOID = 2.04602 au 
 T_jup = 3.305 
[ 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 15.7   n/a MPO450109  

249926 (2001 SQ346)          Discovered 2001-Sep-25 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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