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JPL Small-Body Database Browser
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9264 (1978 OQ)
Classification: Main-belt Asteroid          SPK-ID: 2009264
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969867488421731 6.0903e-08  
a 2.892948398004171 1.1619e-08 au
q 2.323075898513157 1.7313e-07 au
i 6.060303184742065 5.0072e-06 deg
node 347.1017129225522 3.701e-05 deg
peri 358.2714444514092 3.8589e-05 deg
M 73.80999608138512 1.3995e-05 deg
tp 2458232.013026931742
(2018-Apr-23.51302693)
6.891e-05 TDB
period 1797.253994679843
4.92
1.0827e-05
2.964e-08
d
yr
n .2003055778791741 1.2067e-09 deg/d
Q 3.462820897495186 1.3907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1941  
   data-arc span      23518 days (64.39 yr)  
   first obs. used      1954-11-23  
   last obs. used      2019-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49361  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:00:32  

Additional Information
 Earth MOID = 1.31496 au 
 Jupiter MOID = 1.95095 au 
 T_jup = 3.253 
[ 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 13.0   n/a MPO452301  
diameter diameter 9.234 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.099   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9264 (1978 OQ)          Discovered 1978-Jul-28 by Perth Observatory at Bickley
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 OQ = 1954 WG1 = 1983 PQ2 = 1991 EZ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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