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185478 (2007 CD7)
Classification: Main-belt Asteroid          SPK-ID: 2185478
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1150238057913337 6.0314e-08  
a 3.076553462184133 3.1695e-08 au
q 2.72267657424321 1.8625e-07 au
i 10.28769969674895 6.0601e-06 deg
node 72.90549046303953 3.2752e-05 deg
peri 7.524289317655732 4.2983e-05 deg
M 204.0414449943762 2.9084e-05 deg
tp 2459854.389804971563
(2022-Oct-01.88980497)
0.00016571 TDB
period 1971.038586364679
5.40
3.0459e-05
8.339e-08
d
yr
n .1826448261796704 2.8225e-09 deg/d
Q 3.430430350125056 3.5341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      6826 days (18.69 yr)  
   first obs. used      2000-10-24  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:05:32  

Additional Information
 Earth MOID = 1.73865 au 
 Jupiter MOID = 1.83447 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457282.5 (2015-Sep-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186704933713088 6.0968e-08  
q 2.704854484533905 1.8921e-07 au
tp 2457881.685798454603
(2017-May-08.18579845)
0.00014521 TDB
node 72.93922817869924 3.2701e-05 deg
peri 6.599953147143119 4.2193e-05 deg
i 10.30538832113123 6.0723e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      6826 days (18.69 yr)  
   first obs. used      2000-10-24  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:05:32  

Additional Information
 Jupiter MOID = 1.83447 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.717148931217338E-15 -1.141043221271665E-14 -1.423778236376745E-12 9.686692961216617E-15 -4.292630168657454E-13 -4.212595732022054E-15
q -1.141043221271665E-14 3.580116133252307E-14 5.842718940083006E-12 -2.575445364572004E-14 1.529776043525542E-12 1.300678104718201E-14
tp -1.423778236376745E-12 5.842718940083006E-12 2.108697625448569E-8 2.142945318245969E-11 3.887861198627592E-9 -9.674270619639879E-12
node 9.686692961216617E-15 -2.575445364572004E-14 2.142945318245969E-11 1.069328522227724E-9 -1.048014088979116E-9 -2.820383583063556E-11
peri -4.292630168657454E-13 1.529776043525542E-12 3.887861198627592E-9 -1.048014088979116E-9 1.780272890085482E-9 2.603499268302394E-11
i -4.212595732022054E-15 1.300678104718201E-14 -9.674270619639879E-12 -2.820383583063556E-11 2.603499268302394E-11 3.687304065942467E-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 15.4   n/a MPO436916  
diameter diameter 6.437 km 0.499 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185478 (2007 CD7)          Discovered 2007-Feb-06 by NEAT at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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