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243320 Jackuipers (2008 SG12)
Classification: Outer Main-belt Asteroid          SPK-ID: 2243320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07913171270000771 4.9328e-08  
a 3.368506553470937 5.8285e-08 au
q 3.101950860653581 1.8775e-07 au
i 7.616398823282801 6.6527e-06 deg
node 233.2616945836151 3.9219e-05 deg
peri 52.93306188834624 6.4923e-05 deg
M 26.43541262884991 4.6875e-05 deg
tp 2458834.679540337397
(2019-Dec-17.17954034)
0.0002955 TDB
period 2258.159020123988
6.18
5.8609e-05
1.605e-07
d
yr
n .1594218993400357 4.1377e-09 deg/d
Q 3.635062246288292 6.2897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      6168 days (16.89 yr)  
   first obs. used      2002-10-04  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60068  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:19:29  

Additional Information
 Earth MOID = 2.09357 au 
 Jupiter MOID = 1.48541 au 
 T_jup = 3.135 
[ show covariance matrix ]

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 15.1   n/a MPO494332  
diameter diameter 5.814 km 2.702 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243320 Jackuipers           Discovered 2008 Sept. 24 at the Calvin-Rehoboth Observatory.
Jack Kuipers (b. 1921), author of a text on quaternions, taught mathematics at Calvin College for 20 years after a 17-year engineering career in the aerospace industry.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20101128/MPCPages.arcLast Updated: 2010-12-06

[ show close-approach data ]
Alternate Designations
 2008 SG12 = 2002 TX134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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