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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863534676263618 1.409e-08  
a 2.174241021059133 6.3061e-09 au
q 1.769063667329282 3.1681e-08 au
i 1.279206307004312 6.7018e-07 deg
node 294.7652118113202 3.0448e-05 deg
peri 20.08112545137712 3.0179e-05 deg
M 220.0963244600474 4.5677e-06 deg
tp 2459655.578772913931
(2022-Mar-17.07877291)
1.5561e-05 TDB
period 1171.008249902844
3.21
5.0945e-06
1.395e-08
d
yr
n .3074273815149196 1.3375e-09 deg/d
Q 2.579418374788985 7.4813e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2145  
   data-arc span      15871 days (43.45 yr)  
   first obs. used      1977-09-22  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 16:16:17  

Additional Information
 Earth MOID = .753331 au 
 Jupiter MOID = 2.69522 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 14.14   n/a E2020-QM5  
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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