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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157027392904815 5.5447e-08  
a 2.415799274866391 1.8921e-08 au
q 2.13628468118839 1.3456e-07 au
i 4.255550793916953 5.4224e-06 deg
node 310.1874081894036 0.00012148 deg
peri 18.11387926229067 0.00012695 deg
M 68.89857449574198 3.8047e-05 deg
tp 2458938.019265628342
(2020-Mar-29.51926563)
0.00014497 TDB
period 1371.480688321596
3.75
1.6113e-05
4.411e-08
d
yr
n .2624900248800181 3.0839e-09 deg/d
Q 2.695313868544391 2.1111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      7002 days (19.17 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:14:36  

Additional Information
 Earth MOID = 1.12326 au 
 Jupiter MOID = 2.59928 au 
 T_jup = 3.504 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458081.5 (2017-Nov-24.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1164870679009803 5.5562e-08  
q 2.1342735330792 1.3508e-07 au
tp 2457567.731648590267
(2016-Jun-28.23164859)
0.00014545 TDB
node 310.2314664683676 0.0001216 deg
peri 18.41373320744643 0.000127 deg
i 4.253607070596394 5.4204e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      7002 days (19.17 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:14:36  

Additional Information
 Jupiter MOID = 2.59928 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.087171579490046E-15 -7.447289746202583E-15 3.631527377851664E-12 6.813035299534494E-14 8.681680692899952E-13 -1.424870726235072E-15
q -7.447289746202583E-15 1.82461598434822E-14 -9.127330411849438E-12 -1.673202470156677E-13 -2.160484858911344E-12 3.708718131663473E-15
tp 3.631527377851664E-12 -9.127330411849438E-12 2.115459889083907E-8 2.26040253070503E-10 5.439880312723467E-9 -5.893927686947889E-12
node 6.813035299534494E-14 -1.673202470156677E-13 2.26040253070503E-10 1.478605399297644E-8 -1.468623782592438E-8 9.448192487238252E-11
peri 8.681680692899952E-13 -2.160484858911344E-12 5.439880312723467E-9 -1.468623782592438E-8 1.612965617472531E-8 -9.580759298448178E-11
i -1.424870726235072E-15 3.708718131663473E-15 -5.893927686947889E-12 9.448192487238252E-11 -9.580759298448178E-11 2.938099669762693E-11

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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