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JPL Small-Body Database Browser
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59251 (1999 CG21)
Classification: Main-belt Asteroid          SPK-ID: 2059251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04702257740382333 2.9423e-08  
a 2.218944701581119 8.1149e-09 au
q 2.114604202596217 6.4586e-08 au
i 1.022785321781507 3.8672e-06 deg
node 321.0341757297913 0.00024999 deg
peri 157.6348621024372 0.00025599 deg
M 55.21992192893025 5.5299e-05 deg
tp 2458415.312600415262
(2018-Oct-23.81260042)
0.00018524 TDB
period 1207.308187365945
3.31
6.6229e-06
1.813e-08
d
yr
n .298184012804082 1.6357e-09 deg/d
Q 2.323285200566021 8.4965e-09 au
  Orbit Determination Parameters
   # obs. used (total)      963  
   data-arc span      8937 days (24.47 yr)  
   first obs. used      1994-11-09  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55249  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:38:00  

Additional Information
 Earth MOID = 1.13098 au 
 Jupiter MOID = 2.69423 au 
 T_jup = 3.649 
[ 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 16.0   n/a MPO333324  

59251 (1999 CG21)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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