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4239 Goodman (1980 OE)
Classification: Main-belt Asteroid          SPK-ID: 2004239
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862767657373754 3.4833e-08  
a 2.174399663215538 7.1307e-09 au
q 1.769359526531309 7.6509e-08 au
i 1.279284263888391 4.1369e-06 deg
node 294.7669015893968 0.00017143 deg
peri 20.0472857140814 0.00017176 deg
M 158.6590994704799 1.2054e-05 deg
tp 2458484.357086182563
3.8354e-05 TDB
period 1171.136415083772
n .3073937377092395 1.5121e-09 deg/d
Q 2.579439799899767 8.459e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2006  
   data-arc span      15743 days (43.10 yr)  
   first obs. used      1977-09-22  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:53:14  

Additional Information
 Earth MOID = .755611 au 
 Jupiter MOID = 2.69544 au 
 T_jup = 3.663 
[ 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 14.1   n/a MPO250246  
diameter diameter 4.354 km 0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
geometric albedo albedo 0.290   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

4239 Goodman (1980 OE)          Discovered 1980-Jul-17 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2196-Dec-13 20:35 < 00:01 Hebe 0.0285625662089403 0.0285610790356106 0.0285640586154363 6.018991371865 6.01899133570432 2523480.357805860 0.535315641861236 649.62403980922 24.4184133534979 -83.7979713700895 173912.042818191 T 32 CATAB v2.0f-lin.ifort 2020-Nov-13 03:53:19 2020-Nov-13 03:53

Alternate Designations
 1980 OE = 1977 SC3 = 1977 TT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Dec-01 09:47 UT
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