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73465 Buonanno (2002 NP55)
Classification: Main-belt Asteroid          SPK-ID: 2073465
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301092443361414 1.0512e-07  
a 2.747199056012541 3.3089e-08 AU
q 2.389763062793789 2.8338e-07 AU
i 13.56696812845622 9.3605e-06 deg
node 91.33099305330649 4.2139e-05 deg
peri 301.7841808447862 5.9154e-05 deg
M 171.9037856945439 3.516e-05 deg
tp 2456206.324363291783
(2012-Oct-05.82436329)
0.00016383 JED
period 1663.15842353222
4.55
3.0048e-05
8.227e-08
d
yr
n .2164556273812034 3.9107e-09 deg/d
Q 3.104635049231294 3.7395e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      5736 days (15.70 yr)  
   first obs. used      1998-10-03  
   last obs. used      2014-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53904  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 15:42:05  

Additional Information
 Earth MOID = 1.4283 AU 
 T_jup = 3.295 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO280218  

73465 Buonanno           Discovered 2002 July 10 by the Campo Imperatore Near Earth Object Survey.
Roberto Buonanno (b. 1947) is an expert in stellar evolution and director of the Osservatorio Astron{o}mico di Roma. He created the Planetary Sciences team at the OAR and supported research programs devoted to near-earth objects and to the study of the physical properties of the small bodies of the solar system.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

Alternate Designations
 2002 NP55 = 2001 GE9 = 2002 MC4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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