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9238 Yavapai (1997 HO2)
Classification: Main-belt Asteroid          SPK-ID: 2009238
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09281421555709567 3.1714e-08  
a 2.928806366258347 1.2154e-08 au
q 2.656971500855451 9.1323e-08 au
i 1.777441100742936 3.4517e-06 deg
node 180.5223693141699 0.00010232 deg
peri 175.8699884367072 0.00010374 deg
M 178.2479135260937 1.7655e-05 deg
tp 2458490.023873231303
(2019-Jan-06.52387323)
8.964e-05 TDB
period 1830.772653554563
5.01
1.1396e-05
3.12e-08
d
yr
n .1966382878294783 1.2241e-09 deg/d
Q 3.200641231661243 1.3282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2477  
   data-arc span      14287 days (39.12 yr)  
   first obs. used      1982-05-16  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48665  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 12:40:31  

Additional Information
 Earth MOID = 1.65164 au 
 Jupiter MOID = 2.21061 au 
 T_jup = 3.270 
[ 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 13.43   n/a MPO636206  
diameter diameter 5.851 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.247   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9238 Yavapai           Discovered 1997 Apr. 28 by P. G. Comba at Prescott.
Named for the county in Arizona of which Prescott is the county seat. The county is named for the Yavapai tribe of American Indians that has lived in the region since the times preceding the European conquest.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 1997 HO2 = 1982 KM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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