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56157 (1999 CG135)
Classification: Main-belt Asteroid          SPK-ID: 2056157
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494378521336971 3.0155e-08  
a 2.426521185340826 7.6914e-09 au
q 2.06390707124658 7.5701e-08 au
i 1.772244402398552 3.7257e-06 deg
node 308.9434532434487 0.00015199 deg
peri 149.0348801059125 0.00015322 deg
M 272.6467585151441 1.7826e-05 deg
tp 2459335.504840712998
(2021-May-01.00484071)
6.8352e-05 TDB
period 1380.621263809514
3.78
6.5643e-06
1.797e-08
d
yr
n .2607521768907577 1.2398e-09 deg/d
Q 2.789135299435071 8.8408e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      9937 days (27.21 yr)  
   first obs. used      1993-08-13  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:00:39  

Additional Information
 Earth MOID = 1.081 au 
 Jupiter MOID = 2.36164 au 
 T_jup = 3.494 
[ 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 14.8   n/a MPO395527  
diameter diameter 3.067 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.206   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56157 (1999 CG135)          Discovered 1999-Feb-08 by Spacewatch at Kitt Peak
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CG135 = 2001 PL63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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