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146925 (2002 CM265)
Classification: Main-belt Asteroid          SPK-ID: 2146925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03931435879695671 5.2633e-08  
a 3.111051381163665 2.7128e-08 au
q 2.98874239092883 1.6853e-07 au
i 9.904579647232767 5.1885e-06 deg
node 69.44409635831727 3.1153e-05 deg
peri 151.2668897118298 6.9712e-05 deg
M 71.41687694580537 6.1904e-05 deg
tp 2458602.889763804670
(2019-Apr-29.38976380)
0.00034544 TDB
period 2004.2837372872
5.49
2.6216e-05
7.178e-08
d
yr
n .1796152876474767 2.3493e-09 deg/d
Q 3.233360371398501 2.8195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      6374 days (17.45 yr)  
   first obs. used      2002-01-11  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:40:34  

Additional Information
 Earth MOID = 1.98234 au 
 Jupiter MOID = 1.76586 au 
 T_jup = 3.195 
[ 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 14.4   n/a MPO475273  
diameter diameter 5.474 km 1.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.15 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.135   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146925 (2002 CM265)          Discovered 2002-Feb-06 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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