Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
385445 (2003 QH91)
Classification: TransNeptunian Object          SPK-ID: 2385445
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467901939789278 0.00019203  
a 39.6691724663628 0.0137 au
q 33.84612694504187 0.010085 au
i 3.650179103949419 0.00080198 deg
node 286.5525105182694 0.0069663 deg
peri 268.8763822658213 0.13188 deg
M 126.7972210462613 0.17473 deg
tp 2426857.576643210170
(1932-May-30.07664321)
28.647 TDB
period 91259.51115460609
249.85
47.274
0.1294
d
yr
n .003944794306317407 2.0435e-06 deg/d
Q 45.49221798768374 0.015711 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      3697 days (10.12 yr)  
   first obs. used      2003-08-24  
   last obs. used      2013-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .2671  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 22:43:38  

Additional Information
 Earth MOID = 32.8474 au 
 Jupiter MOID = 28.4076 au 
 T_jup = 5.582 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.8   n/a MPO102158  

385445 (2003 QH91)          Discovered 2003-Aug-24 by Buie, M. W. at Cerro Tololo
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-29 20:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin