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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359274070160619 9.1236e-08  
a 2.746926742917319 2.8179e-08 au
q 2.373544113489491 2.5388e-07 au
i 11.46486392547846 6.9067e-06 deg
node 289.2395982004891 3.8964e-05 deg
peri 352.8692269812491 5.1026e-05 deg
M 102.3483208749555 3.5162e-05 deg
tp 2458527.732880279117
(2019-Feb-13.23288028)
0.00016395 TDB
period 1662.911141526745
4.55
2.5588e-05
7.006e-08
d
yr
n .2164878152596164 3.3312e-09 deg/d
Q 3.120309372345146 3.2009e-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 = 1.35752 au 
 Jupiter MOID = 2.04834 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 15.8   n/a MPO494362  

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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