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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962730600266181 3.2907e-08  
a 2.554729266443306 1.0815e-08 au
q 2.053304735778921 8.4799e-08 au
i 4.614659853580626 4.2116e-06 deg
node 346.6137189922434 6.3033e-05 deg
peri 133.9981810376384 6.494e-05 deg
M 75.87971216429877 1.7006e-05 deg
tp 2458686.131570313181
(2019-Jul-21.63157031)
6.9637e-05 TDB
period 1491.474222282334
4.08
9.4709e-06
2.593e-08
d
yr
n .2413719222375219 1.5327e-09 deg/d
Q 3.056153797107691 1.2938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1561  
   data-arc span      10609 days (29.05 yr)  
   first obs. used      1991-01-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:24:29  

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 14.3   n/a MPO422075  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2151-Jun-29 17:21 < 00:01 Thisb 0.0401374404242687 0.0401328468252948 0.0401420444019498 6.65369659068511 6.65369656515444 2506876.222795636 0.84172492672806 1068.16994827044 50.588239478101 -77.9026119308199 116037.911574624 T 29 CATAB v2.0f-lin.ifort 2020-Feb-23 12:24:43 2020-Feb-23 12:24
2188-May-05 08:53 00:01 Thisb 0.0451514270076865 0.0451377753856866 0.0451650909793287 6.76690073262431 6.76690071030846 2520335.869995688 1.13601231306522 1362.88343374231 50.662220847597 60.0925287103375 115572.563299288 T 29 CATAB v2.0f-lin.ifort 2020-Feb-23 12:24:43 2020-Feb-23 12:24

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