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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .232269160382761 1.184e-07  
a 2.542424004997002 2.6073e-08 au
q 1.951897316019372 3.1365e-07 au
i 6.086611124530886 2.2289e-05 deg
node 31.5255369046306 5.255e-05 deg
peri 247.1948176041883 9.7541e-05 deg
M 273.8275462561957 8.3965e-05 deg
tp 2459554.934799979466
(2021-Dec-06.43479998)		 0.00034943 TDB
period 1480.711323040188
4.05		 2.2778e-05
6.236e-08		 d
yr
n .2431263909435434 3.74e-09 deg/d
Q 3.132950693974633 3.2129e-08 au
   Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      5841 days (15.99 yr)  
   first obs. used      2005-03-10  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60866  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:21:30  

Additional Information
 Earth MOID = .943649 au 
 Jupiter MOID = 2.04118 au 
 T_jup = 3.399 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457244.5 (2015-Aug-10.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2333035223692915 1.1698e-07  
q 1.948267474731385 3.0978e-07 au
tp 2456593.603521576846
(2013-Oct-28.10352158)		 0.00031426 TDB
node 31.57028213251472 5.256e-05 deg
peri 247.1328286587044 9.7303e-05 deg
i 6.087514774503252 2.2287e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      5841 days (15.99 yr)  
   first obs. used      2005-03-10  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60866  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:21:30  

Additional Information
 Jupiter MOID = 2.04118 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.36839164804725E-14 -3.619101162655957E-14 -3.38890283087542E-11 -3.367125479024307E-14 -8.786391642981097E-12 -2.301190255712727E-13
q -3.619101162655957E-14 9.596340459446432E-14 9.038359376232494E-11 9.202258826172386E-14 2.345754272465849E-11 6.132285031861343E-13
tp -3.38890283087542E-11 9.038359376232494E-11 9.876041162757592E-8 1.046027989456969E-10 2.574364030414729E-8 6.546140759361047E-10
node -3.367125479024307E-14 9.202258826172386E-14 1.046027989456969E-10 2.762522448442165E-9 -2.71828850105712E-9 -4.695046401482688E-10
peri -8.786391642981097E-12 2.345754272465849E-11 2.574364030414729E-8 -2.71828850105712E-9 9.467906902085861E-9 6.383334007281355E-10
i -2.301190255712727E-13 6.132285031861343E-13 6.546140759361047E-10 -4.695046401482688E-10 6.383334007281355E-10 4.967180829619998E-10

[ 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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