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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101662174615624 1.4254e-07  
a 3.142945493952474 5.2179e-08 au
q 2.823426820338889 4.3408e-07 au
i 10.27903087156736 1.18e-05 deg
node 187.0892141296144 3.6967e-05 deg
peri 160.4348170612898 6.392e-05 deg
M 132.0840302825737 4.5492e-05 deg
tp 2457853.790782621842
(2017-Apr-10.29078262)
0.00025737 TDB
period 2035.184099705674
5.57
5.0682e-05
1.388e-07
d
yr
n .176888174417274 4.4051e-09 deg/d
Q 3.462464167566059 5.7484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      6270 days (17.17 yr)  
   first obs. used      2000-09-24  
   last obs. used      2017-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67545  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:31:20  

Additional Information
 Earth MOID = 1.81899 au 
 Jupiter MOID = 2.00092 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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