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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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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862767608920163 3.5362e-08  
a 2.174399664874703 7.2681e-09 au
q 1.769359538417157 7.7839e-08 au
i 1.279284206107711 4.146e-06 deg
node 294.7668839481508 0.00017479 deg
peri 20.04730138646429 0.00017512 deg
M 158.6590998248181 1.206e-05 deg
tp 2458484.357084439085
(2018-Dec-31.85708444)
3.838e-05 TDB
period 1171.136416424216
3.21
5.8719e-06
1.608e-08
d
yr
n .3073937373574067 1.5412e-09 deg/d
Q 2.579439791332248 8.622e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1965  
   data-arc span      15473 days (42.36 yr)  
   first obs. used      1977-09-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52068  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:08:02  

Additional Information
 Earth MOID = .755611 au 
 Jupiter MOID = 2.69544 au 
 T_jup = 3.663 
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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] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.290   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

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Alternate Designations
 1980 OE = 1977 SC3 = 1977 TT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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