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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1499821949174744 1.9125e-08  
a 2.598011106807007 9.1556e-09 au
q 2.208355698588115 5.0127e-08 au
i 5.338367709197168 7.5844e-07 deg
node 32.25530197609429 6.1477e-06 deg
peri 234.1828248068225 6.4297e-06 deg
M 227.668735898957 6.3708e-06 deg
tp 2459762.737608257239
(2022-Jul-02.23760826)
2.9059e-05 TDB
period 1529.536805588564
4.19
8.0853e-06
2.214e-08
d
yr
n .2353653725001227 1.2442e-09 deg/d
Q 2.987666515025899 1.0529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2797  
   data-arc span      13459 days (36.85 yr)  
   first obs. used      1984-04-28  
   last obs. used      2021-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4583  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 19:50:22  

Additional Information
 Earth MOID = 1.19608 au 
 Jupiter MOID = 2.10412 au 
 T_jup = 3.394 
[ 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 13.06   n/a E2021B10  
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

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