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49507 (1999 CF20)
Classification: Main-belt Asteroid          SPK-ID: 2049507
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1266344655461216 3.9604e-08  
a 2.609678227188329 1.4219e-08 au
q 2.279203019640985 1.0616e-07 au
i 12.69923535815031 6.4386e-06 deg
node 2.677113527458464 1.6151e-05 deg
peri 100.6496680832215 3.4011e-05 deg
M 305.9172999530667 2.7208e-05 deg
tp 2458831.831479167528
(2019-Dec-14.33147917)
0.0001163 TDB
period 1539.851605560367
4.22
1.2585e-05
3.446e-08
d
yr
n .2337887616573237 1.9107e-09 deg/d
Q 2.940153434735673 1.602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      8080 days (22.12 yr)  
   first obs. used      1997-10-23  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53726  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:20:29  

Additional Information
 Earth MOID = 1.33576 au 
 Jupiter MOID = 2.23495 au 
 T_jup = 3.364 
[ 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 14.3   n/a MPO502486  
diameter diameter 3.585 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.745 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.345   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49507 (1999 CF20)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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