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59271 (1999 CG38)
Classification: Main-belt Asteroid          SPK-ID: 2059271
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1563219353756005 5.8111e-08  
a 2.423604131639297 1.0109e-08 au
q 2.04474164319714 1.402e-07 au
i 1.726903864794273 6.2671e-06 deg
node 317.3583487226727 0.00016533 deg
peri 185.7356710070221 0.00016613 deg
M 232.4128981576668 1.5678e-05 deg
tp 2459488.922008129708
(2021-Oct-01.42200813)
6.0914e-05 TDB
period 1378.132431787506
3.77
8.6225e-06
2.361e-08
d
yr
n .2612230811033611 1.6344e-09 deg/d
Q 2.802466620081453 1.1689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      7884 days (21.59 yr)  
   first obs. used      1997-10-10  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:14:38  

Additional Information
 Earth MOID = 1.0573 au 
 Jupiter MOID = 2.21259 au 
 T_jup = 3.495 
[ 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 16.4   n/a MPO436196  
rotation period rot_per 4.85 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

59271 (1999 CG38)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CG38 = 2001 UA57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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