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268923 (2007 CT45)
Classification: Main-belt Asteroid          SPK-ID: 2268923
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06923673366684616 6.2136e-08  
a 2.530207467854151 2.2795e-08 au
q 2.355024167280468 1.6122e-07 au
i 5.163997260178944 5.9726e-06 deg
node 265.2273459297384 9.6323e-05 deg
peri 185.2008427748544 0.00012739 deg
M 154.6584144011758 8.4533e-05 deg
tp 2458368.955904293543
(2018-Sep-07.45590429)
0.00034437 TDB
period 1470.051761067299
4.02
1.9866e-05
5.439e-08
d
yr
n .2448893362357729 3.3093e-09 deg/d
Q 2.705390768427835 2.4373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      6342 days (17.36 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55437  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:53:10  

Additional Information
 Earth MOID = 1.3716 au 
 Jupiter MOID = 2.42964 au 
 T_jup = 3.442 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457025.5 (2015-Jan-03.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0698294216429888 6.3769e-08  
q 2.354185925927198 1.6643e-07 au
tp 2456903.072225398174
(2014-Sep-02.57222540)
0.00033723 TDB
node 265.2964626319698 9.6266e-05 deg
peri 186.1095041126423 0.00012621 deg
i 5.164980054779642 5.9771e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      6342 days (17.36 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55437  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:53:10  

Additional Information
 Jupiter MOID = 2.42964 au 
 T_jup = 3.442 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.066533107179053E-15 -1.052683143597446E-14 1.519342336482512E-11 2.542581794974017E-13 3.63433715885629E-12 6.98174484093148E-15
q -1.052683143597446E-14 2.770017805807784E-14 -3.870566879660846E-11 -6.476904838870682E-13 -9.24395731968195E-12 -1.691529254737117E-14
tp 1.519342336482512E-11 -3.870566879660846E-11 1.137233626835262E-7 1.611721138515144E-9 2.76877688306111E-8 6.074205026755472E-11
node 2.542581794974017E-13 -6.476904838870682E-13 1.611721138515144E-9 9.267083491332024E-9 -8.814592876072332E-9 3.292995552764695E-10
peri 3.63433715885629E-12 -9.24395731968195E-12 2.76877688306111E-8 -8.814592876072332E-9 1.592820727219464E-8 -3.122636514531184E-10
i 6.98174484093148E-15 -1.691529254737117E-14 6.074205026755472E-11 3.292995552764695E-10 -3.122636514531184E-10 3.572555940566271E-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 16.6   n/a MPO427489  

268923 (2007 CT45)          Discovered 2007-Feb-08 by NEAT at Palomar
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2007 CT45 = 2001 TM217 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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