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357343 (2003 QJ23)
Classification: Main-belt Asteroid          SPK-ID: 2357343
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2639928284675407 3.6654e-08  
a 3.178186166030183 2.1226e-08 au
q 2.339167810663466 1.1474e-07 au
i 26.02407990526055 7.8577e-06 deg
node 172.9635358633122 9.6879e-06 deg
peri 115.9337115247455 1.9705e-05 deg
M 20.51951613460955 1.4176e-05 deg
tp 2458882.540739546674
(2020-Feb-03.04073955)
8.1267e-05 TDB
period 2069.509509123979
5.67
2.0732e-05
5.676e-08
d
yr
n .1739542623084576 1.7427e-09 deg/d
Q 4.0172045213969 2.683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      6794 days (18.60 yr)  
   first obs. used      2002-04-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:00:49  

Additional Information
 Earth MOID = 1.43693 au 
 Jupiter MOID = 1.90123 au 
 T_jup = 2.992 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458076.5 (2017-Nov-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2636360556217816 3.6612e-08  
q 2.339224137018649 1.1454e-07 au
tp 2458883.345653670384
(2020-Feb-03.84565367)
8.1384e-05 TDB
node 173.0082584214837 9.686e-06 deg
peri 116.0674155241266 1.9745e-05 deg
i 26.02477810174559 7.8591e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      6794 days (18.60 yr)  
   first obs. used      2002-04-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:00:49  

Additional Information
 Jupiter MOID = 1.90123 au 
 T_jup = 2.992 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.340426827847711E-15 -4.155961577533614E-15 8.391966317961903E-13 1.169996838942837E-15 1.220683609609274E-13 1.578385364128594E-15
q -4.155961577533614E-15 1.311877338762123E-14 -2.477206012828544E-12 -4.080121204069843E-15 -3.757024972981071E-13 -3.590626000402521E-15
tp 8.391966317961903E-13 -2.477206012828544E-12 6.623279303340808E-9 -6.047691698914621E-12 1.401594334959272E-9 1.5564952918466E-11
node 1.169996838942837E-15 -4.080121204069843E-15 -6.047691698914621E-12 9.381906553274697E-11 -8.507533770167317E-11 2.055782266617535E-11
peri 1.220683609609274E-13 -3.757024972981071E-13 1.401594334959272E-9 -8.507533770167317E-11 3.898778909155742E-10 -1.539005552007954E-11
i 1.578385364128594E-15 -3.590626000402521E-15 1.5564952918466E-11 2.055782266617535E-11 -1.539005552007954E-11 6.17651978184002E-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 15.2   n/a MPO476671  

357343 (2003 QJ23)          Discovered 2003-Aug-20 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2003 QJ23 = 2002 JM108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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