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6138 (1991 JH1)
Classification: Main-belt Asteroid          SPK-ID: 2006138
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931561448391237 4.3291e-08  
a 2.344056957280622 1.2464e-08 AU
q 1.89128795212897 1.0147e-07 AU
i 2.667241210354097 6.4811e-06 deg
node 147.7180187543875 0.00010179 deg
peri 84.38309571111736 0.0001036 deg
M 204.1509546037431 2.0697e-05 deg
tp 2457567.982290409513
(2016-Jun-28.48229041)
7.7604e-05 JED
period 1310.84296363827
3.59
1.0455e-05
2.862e-08
d
yr
n .2746324388093087 2.1905e-09 deg/d
Q 2.796825962432273 1.4872e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1168  
   data-arc span      23216 days (63.56 yr)  
   first obs. used      1951-02-10  
   last obs. used      2014-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50585  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:49:15  

Additional Information
 Earth MOID = .884415 AU 
 T_jup = 3.535 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO267732  

6138 (1991 JH1)          Discovered 1991-May-14 by Otomo and Muramatsu at Kiyosato
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 JH1 = 1951 CQ = 1980 FG11 = 1987 DT 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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