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294739 (2008 CM)
Classification: Apollo [NEO, PHA]          SPK-ID: 2294739
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 279 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4081126108635764 1.5979e-08  
a 1.566140068452097 4.999e-09 au
q .9269785561380517 2.561e-08 au
i 36.0134814665727 3.6586e-06 deg
node 279.5626244417807 5.7961e-07 deg
peri 130.6762776647429 4.6327e-06 deg
M 270.9062918622305 3.7103e-06 deg
tp 2458777.669460298648
(2019-Oct-21.16946030)
8.159e-06 TDB
period 715.8867560982637
1.96
3.4276e-06
9.384e-09
d
yr
n .5028728313987496 2.4077e-09 deg/d
Q 2.205301580766143 7.0391e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1317  
   # delay obs. used      7  
   # Doppler obs. used      1  
   data-arc span      4325 days (11.84 yr)  
   first obs. used      2008-02-02  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35724  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-07 05:40:46  

Additional Information
 Earth MOID = .0443064 au 
 Jupiter MOID = 3.31677 au 
 T_jup = 4.133 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457507.5 (2016-Apr-29.0) TDB
Reference: JPL 279 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4082467548789451 1.5982e-08  
q .9268423027840079 2.563e-08 au
tp 2457345.840493468067
(2015-Nov-19.34049347)
3.0818e-06 TDB
node 279.5970307298417 5.8175e-07 deg
peri 130.6376485861443 4.6324e-06 deg
i 35.99957465274699 3.6582e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1317  
   # delay obs. used      7  
   # Doppler obs. used      1  
   data-arc span      4325 days (11.84 yr)  
   first obs. used      2008-02-02  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35724  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-07 05:40:46  

Additional Information
 Jupiter MOID = 3.31677 au 
 T_jup = 4.133 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.554318364469929E-16 -4.069245295090347E-16 -1.092762483957804E-14 7.392825153646751E-15 -3.066208194102809E-14 -6.607508689274383E-16
q -4.069245295090347E-16 6.568893600995171E-16 1.925740614406601E-14 -1.17763063608041E-14 5.156650341227611E-14 9.227888386806822E-16
tp -1.092762483957804E-14 1.925740614406601E-14 9.49762765835054E-12 4.630391349545437E-13 1.3957413274777E-11 1.20002633172148E-12
node 7.392825153646751E-15 -1.17763063608041E-14 4.630391349545437E-13 3.384295655886427E-13 1.414359089862957E-13 -6.805754662342974E-13
peri -3.066208194102809E-14 5.156650341227611E-14 1.3957413274777E-11 1.414359089862957E-13 2.145935065334381E-11 2.540396013387244E-12
i -6.607508689274383E-16 9.227888386806822E-16 1.20002633172148E-12 -6.805754662342974E-13 2.540396013387244E-12 1.338211260501976E-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 17.1   n/a MPO437318  
diameter diameter 0.740 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.054 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 157-168.]
[Benishek, V. (2016) Minor Planet Bull. 43, 186-188.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.]
geometric albedo albedo 0.425   0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

294739 (2008 CM)          Discovered 2008-Feb-02 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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