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4238 Audrey (1980 GF)
Classification: Main-belt Asteroid          SPK-ID: 2004238
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0742605521555707 3.2832e-08  
a 2.407255011937546 7.6982e-09 au
q 2.228490925571799 7.9582e-08 au
i 1.848119557894466 3.2206e-06 deg
node 144.968626328159 0.00011229 deg
peri 40.7641531495736 0.00011467 deg
M 269.8408490305056 2.4982e-05 deg
tp 2459342.155871596362
(2021-May-07.65587160)
9.5419e-05 TDB
period 1364.211091742716
3.74
6.5439e-06
1.792e-08
d
yr
n .2638887795144055 1.2658e-09 deg/d
Q 2.586019098303294 8.2698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2625  
   data-arc span      18551 days (50.79 yr)  
   first obs. used      1969-04-22  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4738  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:08:02  

Additional Information
 Earth MOID = 1.23016 au 
 Jupiter MOID = 2.36952 au 
 T_jup = 3.517 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   n/a MPO347556  
diameter diameter 5.707 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.159   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4238 Audrey           Discovered 1980 Apr. 13 by A. Mrkos at Klet.
Brought up in wartime Holland, Audrey Hepburn (1929-1993) became a highly acclaimed film actress. After her 1951 debut on Broadway in Gigi, her film successes included Roman Holiday, Funny Face, Breakfast at Tiffany's, Charade, My Fair Lady and Wait Until Dark. She later worked to improve the lot of children in Africa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19991123/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 1980 GF = 1969 HA = 1980 DS5 = 1980 FO10 = 1982 YL2 = 1984 JB2 = 1984 KD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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