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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277499725265694 5.2692e-08  
a 2.561541565134978 1.5676e-08 au
q 2.234304700563319 1.3592e-07 au
i 10.81897594049889 4.2912e-06 deg
node 299.4792099675149 2.8206e-05 deg
peri 227.2835661902578 3.245e-05 deg
M 111.0232550568411 1.543e-05 deg
tp 2458538.691424403611
(2019-Feb-24.19142440)
6.4401e-05 TDB
period 1497.443820482328
4.10
1.3746e-05
3.763e-08
d
yr
n .2404096868782989 2.2069e-09 deg/d
Q 2.888778429706636 1.7679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1253  
   data-arc span      14939 days (40.90 yr)  
   first obs. used      1979-07-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:27:33  

Additional Information
 Earth MOID = 1.25815 au 
 Jupiter MOID = 2.17308 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457244.5 (2015-Aug-10.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277228063186998 5.2473e-08  
q 2.232351572586623 1.3512e-07 au
tp 2457040.284899286930
(2015-Jan-17.78489929)
6.7031e-05 TDB
node 299.5177207462943 2.8231e-05 deg
peri 226.6091354852062 3.2529e-05 deg
i 10.8165023499286 4.2893e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1253  
   data-arc span      14939 days (40.90 yr)  
   first obs. used      1979-07-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:27:33  

Additional Information
 Jupiter MOID = 2.17308 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.753402581641892E-15 -7.054740605126621E-15 9.028922744321041E-13 1.274130559257015E-14 2.118349008059143E-13 -7.303752228509939E-15
q -7.054740605126621E-15 1.825786174084788E-14 -2.550399167442932E-12 -3.396677328968202E-14 -5.932234050455792E-13 1.931894669193006E-14
tp 9.028922744321041E-13 -2.550399167442932E-12 4.493139188844607E-9 1.544500257067052E-11 1.118838716869805E-9 -1.593475950613779E-12
node 1.274130559257015E-14 -3.396677328968202E-14 1.544500257067052E-11 7.969843935223783E-10 -7.786044124712717E-10 3.580863597935421E-11
peri 2.118349008059143E-13 -5.932234050455792E-13 1.118838716869805E-9 -7.786044124712717E-10 1.058145344613913E-9 -3.565147545100478E-11
i -7.303752228509939E-15 1.931894669193006E-14 -1.593475950613779E-12 3.580863597935421E-11 -3.565147545100478E-11 1.839823762997328E-11

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-Jul-13 02:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin