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1664 Felix (1929 CD)
Classification: Main-belt Asteroid          SPK-ID: 2001664
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2243794137561066 3.4118e-08  
a 2.339285110677506 6.4137e-09 au
q 1.814397688935298 8.0269e-08 au
i 6.117520313755263 4.2761e-06 deg
node 44.05930450149237 3.5244e-05 deg
peri 107.7472456584282 3.651e-05 deg
M 76.74186464976555 1.0077e-05 deg
tp 2458321.918027985509
(2018-Jul-22.41802799)		 3.62e-05 TDB
period 1306.842235107498
3.58		 5.3745e-06
1.471e-08		 d
yr
n .2754731905113145 1.1329e-09 deg/d
Q 2.864172532419713 7.8528e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2059  
   data-arc span      32869 days (89.99 yr)  
   first obs. used      1929-02-04  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:11:58  

Additional Information
 Earth MOID = .836351 au 
 Jupiter MOID = 2.15468 au 
 T_jup = 3.524 
[ 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 12.6   n/a MPO384763  
diameter diameter 8.424 km 0.808 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.3454 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Higgins, D.; Pravec, P.; Kusnirak, P.; Hornoch, K.; Brinsfield, J.W.; Allen, B.; Warner, B.D. (2008) Minor Planet Bull. 35, 123-126.]
geometric albedo albedo 0.382   0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1664 Felix (1929 CD)          Discovered 1929-Feb-04 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1929 CD = 1936 AD = 1947 FC = 1949 UN1 = 1949 WC = 1954 DD = 1956 TV = 1961 AE 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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