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9126 Samcoulson (1998 FR64)
Classification: Main-belt Asteroid          SPK-ID: 2009126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554297580601385 3.9888e-08  
a 2.535629250397833 8.1659e-09 au
q 2.141517009478287 1.0433e-07 au
i 1.866424297957036 8.0259e-06 deg
node 179.0559330969966 7.8961e-05 deg
peri 256.5734296094165 8.6523e-05 deg
M 11.20287500856185 3.4375e-05 deg
tp 2459350.606197093663
(2021-May-16.10619709)
0.00014074 TDB
period 1474.779378833946
4.04
7.1242e-06
1.95e-08
d
yr
n .2441043081878721 1.1792e-09 deg/d
Q 2.929741491317378 9.4351e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1712  
   data-arc span      15230 days (41.70 yr)  
   first obs. used      1979-06-25  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52839  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:52:20  

Additional Information
 Earth MOID = 1.15742 au 
 Jupiter MOID = 2.32407 au 
 T_jup = 3.431 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457153.5 (2015-May-11.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559192971195264 4.1692e-08  
q 2.140229584798573 1.0966e-07 au
tp 2457870.329405817553
(2017-Apr-26.82940582)
0.00013692 TDB
node 179.2387688663256 7.9001e-05 deg
peri 255.3959910049535 8.6465e-05 deg
i 1.866145055279496 8.0323e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1712  
   data-arc span      15230 days (41.70 yr)  
   first obs. used      1979-06-25  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52839  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:52:20  

Additional Information
 Jupiter MOID = 2.32407 au 
 T_jup = 3.431 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.738192998428633E-15 -4.564561063866089E-15 -4.558528609955489E-12 4.254484070390207E-15 -1.135958197634122E-12 -3.123586015232726E-15
q -4.564561063866089E-15 1.202535713418525E-14 1.200178008361876E-11 -1.060188208690449E-14 2.985647267728213E-12 8.389220612725373E-15
tp -4.558528609955489E-12 1.200178008361876E-11 1.874800361686697E-8 -1.125077617995068E-11 4.809951099331261E-9 1.255232505194696E-11
node 4.254484070390207E-15 -1.060188208690449E-14 -1.125077617995068E-11 6.241193331367525E-9 -6.240374241407108E-9 1.921372369468369E-10
peri -1.135958197634122E-12 2.985647267728213E-12 4.809951099331261E-9 -6.240374241407108E-9 7.476266358942828E-9 -1.888568469319541E-10
i -3.123586015232726E-15 8.389220612725373E-15 1.255232505194696E-11 1.921372369468369E-10 -1.888568469319541E-10 6.451828424930396E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.73   n/a MPCxxxxx  
diameter diameter 2.785 km 0.580 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.300   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9126 Samcoulson           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Samuel Harold Coulson (b. 1998) is a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students, for his earth and space sciences project. He attends the West Platte Junior High Scoool, Weston, Missouri.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1998 FR64 = 1979 OK1 = 1996 VV30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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