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385642 (2005 QX131)
Classification: Main-belt Asteroid          SPK-ID: 2385642
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808244288723829 5.701e-08  
a 2.340276292460877 1.1734e-08 au
q 1.917097168473061 1.3162e-07 au
i 3.552225101941889 5.1651e-06 deg
node 62.72762099883729 0.00010244 deg
peri 36.27774133372782 0.00010431 deg
M 58.18708679731643 1.7154e-05 deg
tp 2459185.139785944646
(2020-Dec-01.63978594)
6.2379e-05 TDB
period 1307.672909024833
3.58
9.8351e-06
2.693e-08
d
yr
n .2752982014963219 2.0705e-09 deg/d
Q 2.763455416448693 1.3856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8225 days (22.52 yr)  
   first obs. used      1998-09-25  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:11:30  

Additional Information
 Earth MOID = .935464 au 
 Jupiter MOID = 2.39984 au 
 T_jup = 3.540 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458018.5 (2017-Sep-22.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792445575877473 5.6722e-08  
q 1.921008570376277 1.3062e-07 au
tp 2457876.103179855830
(2017-May-02.60317986)
6.5036e-05 TDB
node 62.74767515903815 0.00010237 deg
peri 36.03436211354857 0.00010431 deg
i 3.553849546216393 5.1621e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8225 days (22.52 yr)  
   first obs. used      1998-09-25  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:11:30  

Additional Information
 Jupiter MOID = 2.39984 au 
 T_jup = 3.540 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.217349550932958E-15 -7.390084457784531E-15 1.106839408921311E-12 4.957825322322846E-14 3.295579764333846E-13 -5.263143847207174E-15
q -7.390084457784531E-15 1.706250385226974E-14 -2.712610351790995E-12 -1.153235928550651E-13 -8.084705823301659E-13 1.23269309773815E-14
tp 1.106839408921311E-12 -2.712610351790995E-12 4.22973537942867E-9 7.489692004826448E-11 1.347929458531915E-9 -2.77260339129516E-12
node 4.957825322322846E-14 -1.153235928550651E-13 7.489692004826448E-11 1.04788576332395E-8 -1.043237150697035E-8 1.240834881247932E-10
peri 3.295579764333846E-13 -8.084705823301659E-13 1.347929458531915E-9 -1.043237150697035E-8 1.088049756518096E-8 -1.247323540432445E-10
i -5.263143847207174E-15 1.23269309773815E-14 -2.77260339129516E-12 1.240834881247932E-10 -1.247323540432445E-10 2.664701978476149E-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 17.77   n/a MPCxxxxx  

385642 (2005 QX131)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

Alternate Designations
 2005 QX131 = 2007 GU32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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