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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 ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157027394236769 5.5447e-08  
a 2.415799275269108 1.8921e-08 au
q 2.136284681222739 1.3456e-07 au
i 4.255550783613223 5.4224e-06 deg
node 310.1874080877197 0.00012148 deg
peri 18.11387936714744 0.00012695 deg
M 68.89857451956448 3.8047e-05 deg
tp 2458938.019265471952
(2020-Mar-29.51926547)
0.00014497 TDB
period 1371.480688664537
3.75
1.6113e-05
4.411e-08
d
yr
n .2624900248143819 3.0839e-09 deg/d
Q 2.695313869315477 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:24:55  

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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116487067813077 5.5562e-08  
q 2.134273533293876 1.3508e-07 au
tp 2457567.731648791536
(2016-Jun-28.23164879)
0.00014545 TDB
node 310.2314664536137 0.0001216 deg
peri 18.41373328400332 0.000127 deg
i 4.253607064458366 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:24:55  

Additional Information
 Jupiter MOID = 2.59928 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.087171220501353E-15 -7.447288976114203E-15 3.631528359777359E-12 6.813043603934175E-14 8.681683284223636E-13 -1.424870532278675E-15
q -7.447288976114203E-15 1.824615997168935E-14 -9.127336750873904E-12 -1.673203191536011E-13 -2.16048626479252E-12 3.708722101448051E-15
tp 3.631528359777359E-12 -9.127336750873904E-12 2.115460458498888E-8 2.260403566087883E-10 5.439881090656679E-9 -5.893930860457648E-12
node 6.813043603934175E-14 -1.673203191536011E-13 2.260403566087883E-10 1.478605450932479E-8 -1.468623828270443E-8 9.448194877749181E-11
peri 8.681683284223636E-13 -2.16048626479252E-12 5.439881090656679E-9 -1.468623828270443E-8 1.612965673446373E-8 -9.580761671847931E-11
i -1.424870532278675E-15 3.708722101448051E-15 -5.893930860457648E-12 9.448194877749181E-11 -9.580761671847931E-11 2.938099645683111E-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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