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49555 (1999 CK88)
Classification: Main-belt Asteroid          SPK-ID: 2049555
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 .1184136616441654 4.5395e-08  
a 2.725343988934462 1.2922e-08 au
q 2.402626027964816 1.2606e-07 au
i 13.61643587952393 4.9751e-06 deg
node 87.69435336363253 2.0145e-05 deg
peri 352.471596590426 2.9161e-05 deg
M 305.7179247934629 2.0118e-05 deg
tp 2459248.290332042142
(2021-Feb-02.79033204)
9.2123e-05 TDB
period 1643.351312486823
4.50
1.1687e-05
3.2e-08
d
yr
n .2190645404087244 1.558e-09 deg/d
Q 3.048061949904107 1.4452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      8013 days (21.94 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50006  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:32:04  

Additional Information
 Earth MOID = 1.41915 au 
 Jupiter MOID = 2.18976 au 
 T_jup = 3.306 
[ 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 14.5   n/a MPO395470  
rotation period rot_per 5.090 h n/a LCDB (Rev. 2019-August); 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.]

49555 (1999 CK88)          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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