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437912 (2002 CA61)
Classification: Main-belt Asteroid          SPK-ID: 2437912
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123202543546216 9.141e-08  
a 2.545489800461778 4.115e-08 au
q 2.005030758570638 2.2595e-07 au
i 12.44341046834434 1.1353e-05 deg
node 350.1544624892033 6.7253e-05 deg
peri 199.2751611092412 8.1428e-05 deg
M 146.8403579792231 5.6515e-05 deg
tp 2458395.440056495214
(2018-Oct-03.94005650)
0.00022329 TDB
period 1483.3904156822
4.06
3.5971e-05
9.848e-08
d
yr
n .2426872900041211 5.8849e-09 deg/d
Q 3.085948842352918 4.9887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5828 days (15.96 yr)  
   first obs. used      2002-01-23  
   last obs. used      2018-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57514  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:14:18  

Additional Information
 Earth MOID = 1.011 au 
 Jupiter MOID = 1.89752 au 
 T_jup = 3.379 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457041.5 (2015-Jan-19.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2114438280497999 9.1644e-08  
q 2.0079122604925 2.2643e-07 au
tp 2456910.256336067724
(2014-Sep-09.75633607)
0.00020315 TDB
node 350.2285602534674 6.7265e-05 deg
peri 199.1781195775573 8.1479e-05 deg
i 12.44045023981505 1.1347e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5828 days (15.96 yr)  
   first obs. used      2002-01-23  
   last obs. used      2018-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57514  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:14:18  

Additional Information
 Jupiter MOID = 1.89752 au 
 T_jup = 3.379 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.398541874737413E-15 -2.055466282050301E-14 9.096636417563066E-13 -7.749104336970878E-14 7.513606454986656E-14 1.845127424528057E-14
q -2.055466282050301E-14 5.127273179678403E-14 1.088963076489321E-12 1.844348570393079E-13 5.772776025155824E-13 -5.680069436357739E-14
tp 9.096636417563066E-13 1.088963076489321E-12 4.127048710390022E-8 -1.793556455024731E-10 9.649760329509984E-9 -1.337758952042162E-10
node -7.749104336970878E-14 1.844348570393079E-13 -1.793556455024731E-10 4.52459504527877E-9 -4.454484550645555E-9 -2.370557566407173E-10
peri 7.513606454986656E-14 5.772776025155824E-13 9.649760329509984E-9 -4.454484550645555E-9 6.638756256351958E-9 2.012845750475416E-10
i 1.845127424528057E-14 -5.680069436357739E-14 -1.337758952042162E-10 -2.370557566407173E-10 2.012845750475416E-10 1.287583672565514E-10

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 17.0   n/a MPO434613  
diameter diameter 2.212 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

437912 (2002 CA61)          Discovered 2002-Feb-06 by LINEAR at Socorro
Reference: Last Updated: 2015-07-06

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