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233550 (2007 JC31)
Classification: Main-belt Asteroid          SPK-ID: 2233550
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .194689955729315 4.2246e-08  
a 2.570227450644357 1.5731e-08 au
q 2.069829982064137 1.094e-07 au
i 12.57889149390277 5.0511e-06 deg
node 176.2617127063612 1.4755e-05 deg
peri 25.80559038277895 1.803e-05 deg
M 83.79258550398583 1.0648e-05 deg
tp 2458650.184903051722
(2019-Jun-15.68490305)
4.3083e-05 TDB
period 1505.066756716574
4.12
1.3817e-05
3.783e-08
d
yr
n .2391920480559742 2.1959e-09 deg/d
Q 3.070624919224576 1.8793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      7313 days (20.02 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:52:51  

Additional Information
 Earth MOID = 1.07553 au 
 Jupiter MOID = 1.8988 au 
 T_jup = 3.370 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457899.5 (2017-May-26.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940889335126988 4.2323e-08  
q 2.071274281475634 1.0941e-07 au
tp 2458649.679529396380
(2019-Jun-15.17952940)
4.3105e-05 TDB
node 176.3261062204137 1.4756e-05 deg
peri 25.62387103535288 1.8029e-05 deg
i 12.57745717315239 5.0505e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      7313 days (20.02 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:52:51  

Additional Information
 Jupiter MOID = 1.8988 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.791210944309991E-15 -4.599652717647674E-15 -7.126399393700881E-13 2.321455038139992E-15 -1.919528331106518E-13 -2.716021862781652E-16
q -4.599652717647674E-15 1.197054157603142E-14 2.05746258063035E-12 -6.97817453674733E-15 5.27340959578642E-13 9.015201653946068E-16
tp -7.126399393700881E-13 2.05746258063035E-12 1.85799979209672E-9 -8.669445178544113E-12 4.478293396763455E-10 7.901645797436329E-13
node 2.321455038139992E-15 -6.97817453674733E-15 -8.669445178544113E-12 2.177463532883252E-10 -2.139894842990944E-10 -7.47038821723694E-12
peri -1.919528331106518E-13 5.27340959578642E-13 4.478293396763455E-10 -2.139894842990944E-10 3.250384397538168E-10 7.498184589362269E-12
i -2.716021862781652E-16 9.015201653946068E-16 7.901645797436329E-13 -7.47038821723694E-12 7.498184589362269E-12 2.550789496073351E-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 15.9   n/a MPO475905  
diameter diameter 3.750 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233550 (2007 JC31)          Discovered 2007-May-12 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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