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27205 (1999 CY75)
Classification: Main-belt Asteroid          SPK-ID: 2027205
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170633501405102 4.9246e-08  
a 2.961880840453378 1.6247e-08 au
q 2.456484741902132 1.4837e-07 au
i 7.277518318548868 4.5361e-06 deg
node 306.9890778226429 3.4513e-05 deg
peri 73.07464430216982 3.6579e-05 deg
M 174.6252842143582 1.1994e-05 deg
tp 2458097.361355613195
(2017-Dec-09.86135561)
5.9715e-05 TDB
period 1861.871913005119
5.10
1.5319e-05
4.194e-08
d
yr
n .1933537949014703 1.5909e-09 deg/d
Q 3.467276939004624 1.9019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1678  
   data-arc span      10510 days (28.77 yr)  
   first obs. used      1991-07-18  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:09:18  

Additional Information
 Earth MOID = 1.47082 au 
 Jupiter MOID = 2.08925 au 
 T_jup = 3.232 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO474122  
diameter diameter 6.057 km 1.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.699 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.304   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27205 (1999 CY75)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CY75 = 1991 ON1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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