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49508 (1999 CG22)
Classification: Main-belt Asteroid          SPK-ID: 2049508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07652430221427454 6.2084e-08  
a 2.985819156616137 1.9745e-08 au
q 2.757331429118074 1.8766e-07 au
i 10.02892918400153 7.3237e-06 deg
node 35.98623716353101 3.284e-05 deg
peri 106.5793762230782 5.5797e-05 deg
M 38.12366280306311 4.2526e-05 deg
tp 2458800.934347746503
(2019-Nov-13.43434775)
0.00022285 TDB
period 1884.489304775993
5.16
1.8693e-05
5.118e-08
d
yr
n .1910331881893024 1.8949e-09 deg/d
Q 3.214306884114201 2.1256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      8217 days (22.50 yr)  
   first obs. used      1997-10-23  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56663  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:54:11  

Additional Information
 Earth MOID = 1.78972 au 
 Jupiter MOID = 1.82725 au 
 T_jup = 3.230 
[ 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 14.6   n/a MPO468365  
diameter diameter 4.245 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49508 (1999 CG22)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CG22 = 2000 JJ30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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