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
JPL Small-Body Database Browser
Search: [ help ]  
186941 (2004 QH11)
Classification: Main-belt Asteroid          SPK-ID: 2186941
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03653626994903598 4.5416e-08  
a 2.965252008200634 2.5498e-08 au
q 2.856912760362095 1.3157e-07 au
i 11.63002839735232 5.4007e-06 deg
node 19.57594505713573 1.9792e-05 deg
peri 236.2637880294508 6.9519e-05 deg
M 182.8500255726859 6.846e-05 deg
tp 2460314.260650483424
(2024-Jan-04.76065048)
0.00035732 TDB
period 1865.051548791476
5.11
2.4056e-05
6.586e-08
d
yr
n .1930241554091491 2.4897e-09 deg/d
Q 3.073591256039174 2.6429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      8704 days (23.83 yr)  
   first obs. used      1997-03-12  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54678  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:46:18  

Additional Information
 Earth MOID = 1.86214 au 
 Jupiter MOID = 1.93248 au 
 T_jup = 3.233 
[ 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 15.21   n/a MPCxxxxx  

186941 (2004 QH11)          Discovered 2004-Aug-21 by Siding Spring Survey at Siding Spring
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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
1928-Dec-04 20:16 00:03 Jupiter 1.9600055124178 1.96000469836182 1.96000632647434 4.29176790713831 4.18986461771034 2425585.344570402 3.26419104851352 98.071892702678 32.4017019123393 -73.0562141649028 3198234.08530112 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 02:46:20 2021-Jul-09 02:46
2153-Apr-13 12:36 00:05 Jupiter 1.97455251053911 1.97455141050427 1.97455361059584 4.64853104090228 4.55531581057072 2507530.024979516 4.92216755079633 368.841626156593 20.8918300111313 -82.44329546747 3329611.51229373 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 02:46:20 2021-Jul-09 02:46
2189-Mar-04 19:59 00:06 Jupiter 1.94824643496261 1.94824570805616 1.94824716189078 4.56762089922955 4.47142457290898 2520639.332575589 6.24050827502178 399.516363803431 18.5180680321277 -86.198179434049 3054042.50253033 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 02:46:20 2021-Jul-09 02:46
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-25 01:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin