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344245 (2001 SQ155)
Classification: Main-belt Asteroid          SPK-ID: 2344245
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2961832388678469 9.9572e-08  
a 3.048215107056375 1.9025e-08 au
q 2.145384883882517 3.0469e-07 au
i 5.330701039462084 8.3674e-06 deg
node 5.769723006495949 7.0028e-05 deg
peri 11.23911845853156 7.1473e-05 deg
M 180.7996539681959 1.2089e-05 deg
tp 2459968.116324660317
(2023-Jan-23.61632466)
7.1719e-05 TDB
period 1943.868327217911
5.32
1.8198e-05
4.982e-08
d
yr
n .185197729166788 1.7338e-09 deg/d
Q 3.951045330230233 2.466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53715  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:24:39  

Additional Information
 Earth MOID = 1.14732 au 
 Jupiter MOID = 1.52271 au 
 T_jup = 3.163 
[ 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 MPO434165  

344245 (2001 SQ155)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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