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392609 (2011 SQ254)
Classification: Main-belt Asteroid          SPK-ID: 2392609
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021287289256865 1.2775e-07  
a 3.141602343188797 4.7907e-08 au
q 2.820754489088967 3.9449e-07 au
i 10.28150709359804 1.1584e-05 deg
node 187.080925563788 3.472e-05 deg
peri 160.39521291 5.4651e-05 deg
M 202.9091841934866 4.102e-05 deg
tp 2459888.010581008276
(2022-Nov-04.51058101)
0.0002381 TDB
period 2033.87962257773
5.57
4.6523e-05
1.274e-07
d
yr
n .1770016258601075 4.0487e-09 deg/d
Q 3.462450197288627 5.28e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      2000-09-24  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:24:09  

Additional Information
 Earth MOID = 1.81723 au 
 Jupiter MOID = 2.00451 au 
 T_jup = 3.177 
[ 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 16.5   n/a MPO427954  

392609 (2011 SQ254)          Discovered 2006-Oct-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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