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59227 (1999 CG)
Classification: Main-belt Asteroid          SPK-ID: 2059227
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857031768876341 3.8539e-08  
a 2.37219720656265 1.0339e-08 au
q 1.931672649099994 9.1878e-08 au
i 5.100388031681482 4.3048e-06 deg
node 52.628945771 5.061e-05 deg
peri 91.65827122646685 5.2136e-05 deg
M 296.4266536050224 1.5544e-05 deg
tp 2459236.166137498647
(2021-Jan-21.66613750)
5.8684e-05 TDB
period 1334.518541346053
3.65
8.7243e-06
2.389e-08
d
yr
n .2697602085295034 1.7635e-09 deg/d
Q 2.812721764025305 1.2259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      10982 days (30.07 yr)  
   first obs. used      1990-10-21  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:41:24  

Additional Information
 Earth MOID = .951928 au 
 Jupiter MOID = 2.21413 au 
 T_jup = 3.515 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456518.5 (2013-Aug-14.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1852435222221095 3.8638e-08  
q 1.9329914909749 9.207e-08 au
tp 2456566.863276782389
(2013-Oct-01.36327678)
4.8311e-05 TDB
node 52.65445513362 5.0594e-05 deg
peri 91.65663523055316 5.2125e-05 deg
i 5.101358686512322 4.3056e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      10982 days (30.07 yr)  
   first obs. used      1990-10-21  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:41:24  

Additional Information
 Jupiter MOID = 2.21413 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.492872056773142E-15 -3.542134745169786E-15 4.584384045370365E-13 4.147903797257237E-15 1.231701118215508E-13 -3.603986069612338E-16
q -3.542134745169786E-15 8.47693331816717E-15 -8.859886849935755E-13 -1.133181790134824E-14 -2.429577870801346E-13 1.108217609653149E-15
tp 4.584384045370365E-13 -8.859886849935755E-13 2.333958285969579E-9 -1.444800626248023E-11 6.278113542393932E-10 1.039122829946761E-12
node 4.147903797257237E-15 -1.133181790134824E-14 -1.444800626248023E-11 2.559771596582483E-9 -2.552921878071144E-9 -6.626737063034902E-11
peri 1.231701118215508E-13 -2.429577870801346E-13 6.278113542393932E-10 -2.552921878071144E-9 2.716974267126319E-9 6.62602497209457E-11
i -3.603986069612338E-16 1.108217609653149E-15 1.039122829946761E-12 -6.626737063034902E-11 6.62602497209457E-11 1.853817680582211E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO452972  
diameter diameter 2.243 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.292   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59227 (1999 CG)          Discovered 1999-Feb-04 by Kobayashi, T. at Oizumi
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CG = 2001 SL63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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