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JPL Small-Body Database Browser
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56161 (1999 CG158)
Classification: Main-belt Asteroid          SPK-ID: 2056161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2591873674542304 6.3636e-08  
a 2.595371710626278 1.7712e-08 au
q 1.92268414938387 1.6714e-07 au
i 23.29681455388243 8.0106e-06 deg
node 312.5233564794675 2.1115e-05 deg
peri 284.0242785721924 2.6729e-05 deg
M 237.0419246112816 1.8613e-05 deg
tp 2459122.117715361423
(2020-Sep-29.61771536)
8.1422e-05 TDB
period 1527.206545291628
4.18
1.5633e-05
4.28e-08
d
yr
n .2357245004677846 2.413e-09 deg/d
Q 3.268059271868686 2.2303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      7293 days (19.97 yr)  
   first obs. used      1999-01-22  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56793  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:23:35  

Additional Information
 Earth MOID = 1.04144 au 
 Jupiter MOID = 2.32562 au 
 T_jup = 3.258 
[ 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 14.5   n/a MPO468452  
diameter diameter 6.811 km 1.797 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.068   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

56161 (1999 CG158)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CG158 = 2000 QF247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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