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434025 (2001 SQ142)
Classification: Main-belt Asteroid          SPK-ID: 2434025
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157641048331119 5.703e-08  
a 2.415749027542887 1.9337e-08 au
q 2.136092003867923 1.3917e-07 au
i 4.255523331667295 5.7156e-06 deg
node 310.1871258388651 0.0001217 deg
peri 18.06550288280471 0.00012713 deg
M 16.43634417484619 3.8061e-05 deg
tp 2458937.884929639255
(2020-Mar-29.38492964)
0.000145 TDB
period 1371.437899454862
3.75
1.6466e-05
4.508e-08
d
yr
n .2624982145696118 3.1517e-09 deg/d
Q 2.69540605121785 2.1575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      6977 days (19.10 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:14:54  

Additional Information
 Earth MOID = 1.125 au 
 Jupiter MOID = 2.59957 au 
 T_jup = 3.504 
[ 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 17.2   n/a MPO477032  

434025 (2001 SQ142)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04

Alternate Designations
 2001 SQ142 = 2007 EW162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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