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 ]  
18978 (2000 QH232)
Classification: Main-belt Asteroid          SPK-ID: 2018978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277499794435306 4.9728e-08  
a 2.561541563362679 1.5057e-08 au
q 2.234304681299347 1.27e-07 au
i 10.81897607620153 4.2579e-06 deg
node 299.4792129712546 2.598e-05 deg
peri 227.2835658831937 2.996e-05 deg
M 111.0232532284804 1.4766e-05 deg
tp 2458538.691432488078
(2019-Feb-24.19143249)
6.1282e-05 TDB
period 1497.443818928233
4.10
1.3203e-05
3.615e-08
d
yr
n .2404096871278036 2.1197e-09 deg/d
Q 2.88877844542601 1.698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1324  
   data-arc span      14983 days (41.02 yr)  
   first obs. used      1979-07-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:24:02  

Additional Information
 Earth MOID = 1.25815 au 
 Jupiter MOID = 2.17308 au 
 T_jup = 3.398 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO474016  
diameter diameter 3.946 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.180   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18978 (2000 QH232)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 QH232 = 1979 OU3 = 1986 CG1 = 1990 DL5 = 1996 TB14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 23:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin