Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
6138 (1991 JH1)
Classification: Main-belt Asteroid          SPK-ID: 2006138
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193156146066755 4.33e-08  
a 2.344056957783312 1.2469e-08 AU
q 1.891287949656925 1.0148e-07 AU
i 2.667242590566706 6.5024e-06 deg
node 147.718020284445 0.0001018 deg
peri 84.38309258987775 0.00010361 deg
M 204.1509557630119 2.0715e-05 deg
tp 2457567.982286370896
(2016-Jun-28.48228637)
7.7663e-05 JED
period 1310.842964059941
3.59
1.0459e-05
2.864e-08
d
yr
n .274632438720965 2.1912e-09 deg/d
Q 2.796825965909699 1.4877e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      22972 days (62.89 yr)  
   first obs. used      1951-02-10  
   last obs. used      2014-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50182  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:19:26  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-02 09:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin