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379213 (2009 SG134)
Classification: Main-belt Asteroid          SPK-ID: 2379213
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09847067556566068 7.1268e-08  
a 2.475796410348222 2.7876e-08 au
q 2.232003065258195 1.6611e-07 au
i 7.010780712759922 5.4557e-06 deg
node 54.0430506302298 4.7089e-05 deg
peri 119.1075924536241 5.2788e-05 deg
M 121.3575894754488 2.5092e-05 deg
tp 2458520.838058531683
(2019-Feb-06.33805853)
9.5974e-05 TDB
period 1422.888339122191
3.90
2.4031e-05
6.579e-08
d
yr
n .253006501003509 4.2731e-09 deg/d
Q 2.719589755438248 3.0621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      4965 days (13.59 yr)  
   first obs. used      2007-02-09  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58289  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:06:00  

Additional Information
 Earth MOID = 1.24579 au 
 Jupiter MOID = 2.25786 au 
 T_jup = 3.464 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457785.5 (2017-Feb-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09791168122409361 7.1109e-08  
q 2.232674901202425 1.6535e-07 au
tp 2457096.541232964243
(2015-Mar-15.04123296)
9.0907e-05 TDB
node 54.08139204918503 4.7031e-05 deg
peri 118.5651444766997 5.2901e-05 deg
i 7.015821278759047 5.46e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      4965 days (13.59 yr)  
   first obs. used      2007-02-09  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58289  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:06:00  

Additional Information
 Jupiter MOID = 2.25786 au 
 T_jup = 3.464 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.056549459155054E-15 -1.165306271069471E-14 1.508922332399411E-12 -4.481775670362871E-14 5.7588198924394E-13 -3.232759680287102E-15
q -1.165306271069471E-14 2.733992869607167E-14 -3.418326720933153E-12 1.048119434168752E-13 -1.253996857617024E-12 8.20959774696728E-15
tp 1.508922332399411E-12 -3.418326720933153E-12 8.26402364135251E-9 5.900120825595559E-12 2.213263295922087E-9 -4.913403665925284E-12
node -4.481775670362871E-14 1.048119434168752E-13 5.900120825595559E-12 2.21195225846721E-9 -2.194840719748157E-9 -9.197478275875934E-11
peri 5.7588198924394E-13 -1.253996857617024E-12 2.213263295922087E-9 -2.194840719748157E-9 2.798538737246287E-9 9.00765512931914E-11
i -3.232759680287102E-15 8.20959774696728E-15 -4.913403665925284E-12 -9.197478275875934E-11 9.00765512931914E-11 2.981132306464624E-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 16.9   n/a MPO434346  

379213 (2009 SG134)          Discovered 2009-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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