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27204 (1999 CY74)
Classification: Main-belt Asteroid          SPK-ID: 2027204
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06645086879184316 3.5283e-08  
a 3.000715879719922 1.6975e-08 au
q 2.801315702515053 1.0683e-07 au
i 9.891166491440172 3.9509e-06 deg
node 266.869090527228 3.3805e-05 deg
peri 160.958113704126 5.7719e-05 deg
M 108.7304563393673 4.5579e-05 deg
tp 2458427.064663537646
(2018-Nov-04.56466354)
0.00024017 TDB
period 1898.609902658014
5.20
1.6111e-05
4.411e-08
d
yr
n .189612410372456 1.6089e-09 deg/d
Q 3.200116056924792 1.8103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1411  
   data-arc span      13662 days (37.40 yr)  
   first obs. used      1983-01-14  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:32:25  

Additional Information
 Earth MOID = 1.81784 au 
 Jupiter MOID = 2.04073 au 
 T_jup = 3.227 
[ 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 13.3   n/a MPO431813  
diameter diameter 7.236 km 0.326 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.7 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:
[Galad, A. (2009) Minor Planet Bull. 36, 183-186.]
geometric albedo albedo 0.213   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27204 (1999 CY74)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CY74 = 1983 AM5 = 2000 JJ49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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