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7459 Gilbertofranco (1984 HR1)
Classification: Main-belt Asteroid          SPK-ID: 2007459
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501060973827798 2.9062e-08  
a 2.597818400613107 9.7511e-09 au
q 2.207870018787899 7.5e-08 au
i 5.338654289339863 3.267e-06 deg
node 32.26449958859559 3.7427e-05 deg
peri 234.1410862112501 3.9116e-05 deg
M 180.6414457477128 1.2486e-05 deg
tp 2459762.458299000220
(2022-Jul-01.95829900)
5.4532e-05 TDB
period 1529.366629785828
4.19
8.6109e-06
2.358e-08
d
yr
n .2353915620941816 1.3253e-09 deg/d
Q 2.987766782438315 1.1215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2460  
   data-arc span      13136 days (35.96 yr)  
   first obs. used      1984-04-28  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47084  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:46:55  

Additional Information
 Earth MOID = 1.19733 au 
 Jupiter MOID = 2.10497 au 
 T_jup = 3.394 
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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 13.0   n/a MPO412233  
diameter diameter 5.449 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.411   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

7459 Gilbertofranco           Discovered 1984 Apr. 28 by V. Zappala at the European Southern Observatory.
Gilberto Franco (b. 1952), a medical doctor at San Damiano, Asti, is a very good friend of the discoverer and an enthusiastic amateur astronomer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

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Alternate Designations
 1984 HR1 = 1985 RM4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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