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245067 (2004 GX21)
Classification: Main-belt Asteroid          SPK-ID: 2245067
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813646098177572 6.1683e-08  
a 3.145406823953054 4.1925e-08 au
q 2.574941342608697 2.1423e-07 au
i 15.69046443345689 5.8466e-06 deg
node 205.7488311116425 2.3305e-05 deg
peri 306.5250270016081 2.9479e-05 deg
M 342.927738805152 1.7302e-05 deg
tp 2459097.127826234812
(2020-Sep-04.62782623)
9.86e-05 TDB
period 2037.575283526589
5.58
4.0739e-05
1.115e-07
d
yr
n .1766805883986383 3.5325e-09 deg/d
Q 3.715872305297411 4.9529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      9780 days (26.78 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:39:39  

Additional Information
 Earth MOID = 1.61703 au 
 Jupiter MOID = 1.45539 au 
 T_jup = 3.126 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457318.5 (2015-Oct-23.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1826137312992056 6.1665e-08  
q 2.569001865473623 2.1422e-07 au
tp 2457061.104464914249
(2015-Feb-07.60446491)
9.1343e-05 TDB
node 205.7652059417582 2.3304e-05 deg
peri 306.5728062459383 2.939e-05 deg
i 15.69550047502742 5.8485e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      9780 days (26.78 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:39:39  

Additional Information
 Jupiter MOID = 1.45539 au 
 T_jup = 3.126 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.802520687698291E-15 -1.308950255821486E-14 2.646068629700675E-13 -1.765698220320384E-14 1.117306845492312E-13 -1.95605299672057E-14
q -1.308950255821486E-14 4.589038705756798E-14 -1.011758826259636E-12 5.8843654323482E-14 -3.802612928369222E-13 7.218487585301298E-14
tp 2.646068629700675E-13 -1.011758826259636E-12 8.343493291701354E-9 -1.964551049794382E-11 1.68840322929326E-9 5.745862886603024E-12
node -1.765698220320384E-14 5.8843654323482E-14 -1.964551049794382E-11 5.430992010915101E-10 -5.26170807985654E-10 1.687322855848149E-12
peri 1.117306845492312E-13 -3.802612928369222E-13 1.68840322929326E-9 -5.26170807985654E-10 8.637718395396367E-10 -5.602281211434346E-13
i -1.95605299672057E-14 7.218487585301298E-14 5.745862886603024E-12 1.687322855848149E-12 -5.602281211434346E-13 3.420474480341098E-11

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 15.3   n/a MPO422952  

245067 (2004 GX21)          Discovered 2004-Apr-12 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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Alternate Designations
 2004 GX21 = 2007 TU106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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