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27223 (1999 GC5)
Classification: Main-belt Asteroid          SPK-ID: 2027223
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167622866107744 3.2203e-08  
a 3.188961948090622 2.3378e-08 au
q 2.654419006443137 1.0801e-07 au
i 15.35211206102847 4.1521e-06 deg
node 125.6758746919263 1.7411e-05 deg
peri 331.7373786304136 2.2984e-05 deg
M 320.0585527859985 1.56e-05 deg
tp 2459231.277640386772
(2021-Jan-16.77764039)
9.1104e-05 TDB
period 2080.043572134615
5.69
2.2873e-05
6.262e-08
d
yr
n .1730732975129724 1.9032e-09 deg/d
Q 3.723504889738106 2.7296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1538  
   data-arc span      8034 days (22.00 yr)  
   first obs. used      1998-01-27  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:59:37  

Additional Information
 Earth MOID = 1.68122 au 
 Jupiter MOID = 1.45929 au 
 T_jup = 3.120 
[ 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 12.8   n/a MPO416980  
diameter diameter 16.434 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.000 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27223 (1999 GC5)          Discovered 1999-Apr-07 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20010804/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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