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344241 (2001 SQ145)
Classification: Main-belt Asteroid          SPK-ID: 2344241
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526609724746941 6.745e-08  
a 3.095022666851516 3.7702e-08 au
q 2.622533496698742 2.0339e-07 au
i 12.51795038549252 7.5002e-06 deg
node 193.6114926115692 2.7075e-05 deg
peri 159.1787729945797 3.5163e-05 deg
M 158.2016130087632 2.5742e-05 deg
tp 2458126.517806746158
(2018-Jan-08.01780675)
0.00013254 TDB
period 1988.814042963991
5.45
3.634e-05
9.949e-08
d
yr
n .1810123984560572 3.3075e-09 deg/d
Q 3.567511837004289 4.3457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6711 days (18.37 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:01:10  

Additional Information
 Earth MOID = 1.62242 au 
 Jupiter MOID = 1.9211 au 
 T_jup = 3.169 
[ 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 15.9   n/a MPO471577  

344241 (2001 SQ145)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2001 SQ145 = 2012 RU17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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