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90328 Haryou (2003 FQ85)
Classification: Main-belt Asteroid          SPK-ID: 2090328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1234536065297222 4.1527e-08  
a 2.333037493297818 1.1595e-08 au
q 2.04501560058114 9.7568e-08 au
i 6.433696885923342 4.8023e-06 deg
node 343.140639025108 3.3522e-05 deg
peri 310.9217374027296 3.7985e-05 deg
M 205.3028249536776 1.9029e-05 deg
tp 2459559.820692227296
6.9721e-05 TDB
period 1301.610382617089
n .2765804612561283 2.0618e-09 deg/d
Q 2.621059386014497 1.3026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      7752 days (21.22 yr)  
   first obs. used      1999-02-12  
   last obs. used      2020-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:43:48  

Additional Information
 Earth MOID = 1.03604 au 
 Jupiter MOID = 2.57289 au 
 T_jup = 3.551 
[ 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 15.4   n/a MPO459422  
diameter diameter 2.063 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
geometric albedo albedo 0.415   0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

90328 Haryou           Discovered 2003 Mar. 28 by the Catalina Sky Survey.
HARYOU (Harlem Youth Opportunities Unlimited) was founded during the American Civil Rights movement by social scientist Kenneth Clark. Based in Harlem and directed by community leader Cyril Tyson, HARYOU studied the causes of inner-city poverty and remedies to it, culminating in a landmark 1964 report.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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