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JPL Small-Body Database Browser
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146558 (2001 SQ338)
Classification: Main-belt Asteroid          SPK-ID: 2146558
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08266430359822073 3.7175e-08  
a 2.740203297369659 2.1185e-08 au
q 2.513686300075048 1.0806e-07 au
i 4.358902107991688 5.135e-06 deg
node 137.4747867121955 5.0008e-05 deg
peri 276.0949044998242 5.8644e-05 deg
M 276.0376406007016 3.1434e-05 deg
tp 2458986.915676538980
(2020-May-17.41567654)
0.00014531 TDB
period 1656.80960550991
4.54
1.9213e-05
5.26e-08
d
yr
n .2172850753657987 2.5198e-09 deg/d
Q 2.966720294664269 2.2936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      6607 days (18.09 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:05:20  

Additional Information
 Earth MOID = 1.52903 au 
 Jupiter MOID = 2.30641 au 
 T_jup = 3.341 
[ 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 MPO453931  

146558 (2001 SQ338)          Discovered 2001-Sep-20 by Powell at Powell
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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