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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 311 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4079514117872126 1.5887e-08  
a 1.566056308841387 4.6403e-09 au
q .9271814267112719 2.5509e-08 au
i 36.0098110517288 3.6113e-06 deg
node 279.5625081094808 5.7614e-07 deg
peri 130.6516403199242 4.6165e-06 deg
M 311.3014958932952 5.2141e-06 deg
tp 2459493.332826135578
(2021-Oct-05.83282614)
1.0781e-05 TDB
period 715.8293267576665
1.96
3.1816e-06
8.711e-09
d
yr
n .5029131757294888 2.2352e-09 deg/d
Q 2.204931190971501 6.5333e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1486  
   # delay obs. used      7  
   # Doppler obs. used      1  
   data-arc span      4926 days (13.49 yr)  
   first obs. used      2008-02-02  
   last obs. used      2021-07-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-30 05:51:11  

Additional Information
 Earth MOID = .0446291 au 
 Jupiter MOID = 3.31869 au 
 T_jup = 4.133 
[ show covariance matrix ]

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 17.09   n/a MPCxxxxx  
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 3.05785 h n/a LCDB (Rev. 2020-October); 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.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
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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