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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06647605768164377 4.1581e-08  
a 3.001903616109761 1.9277e-08 au
q 2.802348898170513 1.3033e-07 au
i 9.891205106278715 4.5311e-06 deg
node 266.8700875561483 3.4149e-05 deg
peri 161.3114496339401 5.9273e-05 deg
M 32.5625771745096 4.6454e-05 deg
tp 2458428.665718219644
(2018-Nov-06.16571822)
0.00024524 TDB
period 1899.737269240263
5.20
1.8299e-05
5.01e-08
d
yr
n .1894998881313572 1.8253e-09 deg/d
Q 3.201458334049008 2.0558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      13466 days (36.87 yr)  
   first obs. used      1983-01-14  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:01:32  

Additional Information
 Earth MOID = 1.81863 au 
 Jupiter MOID = 2.03929 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-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:
[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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