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357657 (2005 JD68)
Classification: Main-belt Asteroid          SPK-ID: 2357657
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2322667595779658 1.5041e-07  
a 2.54277996547309 2.9144e-08 au
q 1.952176702572884 3.9337e-07 au
i 6.086214137594495 3.3654e-05 deg
node 31.5341277790524 5.5517e-05 deg
peri 247.1458912112295 0.00010946 deg
M 225.2597379280967 9.4375e-05 deg
tp 2459554.814814088774
(2021-Dec-06.31481409)
0.00039442 TDB
period 1481.02230174874
4.05
2.5462e-05
6.971e-08
d
yr
n .2430753403071139 4.1789e-09 deg/d
Q 3.133383228373297 3.5913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      4972 days (13.61 yr)  
   first obs. used      2005-03-10  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62336  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:57:11  

Additional Information
 Earth MOID = .945747 au 
 Jupiter MOID = 2.04138 au 
 T_jup = 3.399 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456616.5 (2013-Nov-20.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .233381485855118 1.4775e-07  
q 1.948705894612908 3.8585e-07 au
tp 2456593.881700395970
(2013-Oct-28.38170040)
0.00036078 TDB
node 31.57599215849243 5.553e-05 deg
peri 247.219976312772 0.00010918 deg
i 6.086906916055907 3.3649e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      4972 days (13.61 yr)  
   first obs. used      2005-03-10  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62336  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:57:11  

Additional Information
 Jupiter MOID = 2.04138 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.182962636115679E-14 -5.693540349842007E-14 -4.978803955939778E-11 -9.602024677548168E-15 -1.292766447365591E-11 -3.137248220765206E-13
q -5.693540349842007E-14 1.488798358951749E-13 1.309160687440985E-10 2.823930549127015E-14 3.399411055905002E-11 8.228861017137275E-13
tp -4.978803955939778E-11 1.309160687440985E-10 1.301608229981379E-7 3.789968329419073E-11 3.392050834591884E-8 7.930860387787215E-10
node -9.602024677548168E-15 2.823930549127015E-14 3.789968329419073E-11 3.083544786054625E-9 -3.055039987935568E-9 -4.742958070762626E-10
peri -1.292766447365591E-11 3.399411055905002E-11 3.392050834591884E-8 -3.055039987935568E-9 1.19198723287571E-8 6.783661766174161E-10
i -3.137248220765206E-13 8.228861017137275E-13 7.930860387787215E-10 -4.742958070762626E-10 6.783661766174161E-10 1.132275599709287E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO471687  

357657 (2005 JD68)          Discovered 2005-May-04 by Siding Spring Survey at Siding Spring
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2005 JD68 = 2006 UK283 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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