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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286138261210956 4.8435e-08  
a 2.560143195070105 1.4879e-08 au
q 2.230873383334253 1.2317e-07 au
i 10.81954619304253 4.2488e-06 deg
node 299.4780671919899 2.4616e-05 deg
peri 227.2857737900202 2.8371e-05 deg
M 159.0562527330973 1.4269e-05 deg
tp 2458539.436683138101
(2019-Feb-24.93668314)
5.8799e-05 TDB
period 1496.217784469172
4.10
1.3044e-05
3.571e-08
d
yr
n .2406066842252653 2.0976e-09 deg/d
Q 2.889413006805958 1.6793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1411  
   data-arc span      15091 days (41.32 yr)  
   first obs. used      1979-07-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:43:29  

Additional Information
 Earth MOID = 1.25451 au 
 Jupiter MOID = 2.17172 au 
 T_jup = 3.399 
[ 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 14.23   n/a E2021B10  
diameter diameter 3.946 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 22.147 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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 2021-Apr-23 03:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin