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58181 (1991 CG1)
Classification: Main-belt Asteroid          SPK-ID: 2058181
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962730651597796 2.7386e-08  
a 2.554729264929754 9.5342e-09 au
q 2.0533047214486 6.7963e-08 au
i 4.614657753679506 4.0558e-06 deg
node 346.6137531913672 5.8064e-05 deg
peri 133.9981457884382 5.9848e-05 deg
M 75.87971423181766 1.5362e-05 deg
tp 2458686.131562026855
(2019-Jul-21.63156203)
6.3182e-05 TDB
period 1491.474220956896
4.08
8.3492e-06
2.286e-08
d
yr
n .2413719224520235 1.3512e-09 deg/d
Q 3.056153808410907 1.1406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      10769 days (29.48 yr)  
   first obs. used      1991-01-17  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:02  

Additional Information
 Earth MOID = 1.07224 au 
 Jupiter MOID = 2.03125 au 
 T_jup = 3.406 
[ 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 14.41   n/a E2021B10  

58181 (1991 CG1)          Discovered 1991-Feb-07 by Endate, K., Watanabe, K. at Kitami
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 CG1 = 1998 WO31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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