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256435 (2007 CH5)
Classification: Main-belt Asteroid          SPK-ID: 2256435
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3466431057220338 4.8157e-08  
a 2.654527658318006 1.1599e-08 au
q 1.734353946613614 1.2572e-07 au
i 7.232369999617374 4.5677e-06 deg
node 232.4372029429651 5.0383e-05 deg
peri 235.1439037297109 5.1895e-05 deg
M 87.9540554541106 8.1944e-06 deg
tp 2458814.548549669370
(2019-Nov-27.04854967)		 3.6009e-05 TDB
period 1579.717062523843
4.33		 1.0354e-05
2.835e-08		 d
yr
n .2278889103247667 1.4936e-09 deg/d
Q 3.574701370022397 1.5619e-08 au
   Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2001-11-18  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50299  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:30:39  

Additional Information
 Earth MOID = .762775 au 
 Jupiter MOID = 1.65861 au 
 T_jup = 3.289 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457664.5 (2016-Oct-03.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3468754446287853 4.8116e-08  
q 1.733750056318756 1.2567e-07 au
tp 2457235.551834161736
(2015-Aug-01.05183416)		 3.815e-05 TDB
node 232.4446104905795 5.0387e-05 deg
peri 235.2852948492933 5.1894e-05 deg
i 7.23231229079722 4.5679e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2001-11-18  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50299  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:30:39  

Additional Information
 Jupiter MOID = 1.65861 au 
 T_jup = 3.289 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.315114080762815E-15 -6.036654484993049E-15 1.773664287084698E-13 4.246338544190948E-14 -9.653545315476871E-14 -1.494284141384484E-14
q -6.036654484993049E-15 1.579418533008795E-14 -5.782246435616938E-13 -1.1113699991562E-13 2.193111127631847E-13 3.993452006117259E-14
tp 1.773664287084698E-13 -5.782246435616938E-13 1.455400796731393E-9 1.157466322086962E-11 4.940432007470882E-10 -1.1804208454455E-11
node 4.246338544190948E-14 -1.1113699991562E-13 1.157466322086962E-11 2.538818423970465E-9 -2.517188761966635E-9 -5.011174677237807E-11
peri -9.653545315476871E-14 2.193111127631847E-13 4.940432007470882E-10 -2.517188761966635E-9 2.692951921224975E-9 4.657692158839996E-11
i -1.494284141384484E-14 3.993452006117259E-14 -1.1804208454455E-11 -5.011174677237807E-11 4.657692158839996E-11 2.086577756159167E-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 16.75   n/a E2021B55  
diameter diameter 2.089 km 0.475 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.088   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

256435 (2007 CH5)          Discovered 2007-Feb-07 by Lowe, A. at Mayhill
Reference: 20101128/Numbers.arcLast Updated: 2010-12-06

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