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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931561364448077 4.2377e-08  
a 2.34405695514145 1.2159e-08 AU
q 1.891287970079748 9.9745e-08 AU
i 2.667242789145189 5.3066e-06 deg
node 147.7180157808636 9.9872e-05 deg
peri 84.38310525731825 0.00010127 deg
M 204.1509500360658 1.9728e-05 deg
tp 2457567.982306264658
(2016-Jun-28.48230626)
7.4468e-05 JED
period 1310.842961843869
3.59
1.02e-05
2.793e-08
d
yr
n .2746324391852504 2.1369e-09 deg/d
Q 2.796825940203153 1.4508e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1353  
   data-arc span      23415 days (64.11 yr)  
   first obs. used      1951-02-10  
   last obs. used      2015-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49886  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:24:15  

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 13.8 mag n/a MPO319161  

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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