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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497002893715033 2.9667e-08  
a 2.42714055784531 7.4431e-09 au
q 2.063796913990556 7.4834e-08 au
i 1.772195096644993 3.2447e-06 deg
node 308.9456798266654 0.00014483 deg
peri 149.0004851105525 0.00014609 deg
M 15.92960601679966 1.7214e-05 deg
tp 2459335.385628211544
(2021-Apr-30.88562821)
6.6055e-05 TDB
period 1381.149905442826
3.78
6.3532e-06
1.739e-08
d
yr
n .2606523727665725 1.199e-09 deg/d
Q 2.790484201700066 8.5573e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1586  
   data-arc span      10123 days (27.72 yr)  
   first obs. used      1993-08-13  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:04:41  

Additional Information
 Earth MOID = 1.08106 au 
 Jupiter MOID = 2.36044 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 14.82   n/a MPCxxxxx  
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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