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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277499785536734 4.8406e-08  
a 2.56154156353952 1.4766e-08 au
q 2.234304683733003 1.2297e-07 au
i 10.81897606803544 4.2527e-06 deg
node 299.4792124636158 2.4728e-05 deg
peri 227.2835660798811 2.8579e-05 deg
M 111.0232534394618 1.4445e-05 deg
tp 2458538.691431562664
(2019-Feb-24.19143156)
5.977e-05 TDB
period 1497.443819083302
4.10
1.2948e-05
3.545e-08
d
yr
n .2404096871029079 2.0787e-09 deg/d
Q 2.888778443346036 1.6652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1387  
   data-arc span      15073 days (41.27 yr)  
   first obs. used      1979-07-24  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:11:37  

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 ]
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