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39849 Giampieri (1998 CF2)
Classification: Main-belt Asteroid          SPK-ID: 2039849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08499007411082152 5.1731e-08  
a 2.312918529671354 9.0575e-09 au
q 2.116343412422293 1.2116e-07 au
i 6.335083239151338 5.288e-06 deg
node 304.4557947644489 3.9657e-05 deg
peri 64.93671940580164 4.8708e-05 deg
M 254.709148362013 2.75e-05 deg
tp 2459376.274294165166
(2021-Jun-10.77429417)
9.8801e-05 TDB
period 1284.81006464434
3.52
7.547e-06
2.066e-08
d
yr
n .2801970578426741 1.6459e-09 deg/d
Q 2.509493646920415 9.8273e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      8218 days (22.50 yr)  
   first obs. used      1996-10-02  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54386  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:08:38  

Additional Information
 Earth MOID = 1.12349 au 
 Jupiter MOID = 2.86482 au 
 T_jup = 3.570 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO365720  
diameter diameter 2.077 km 0.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.283   0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39849 Giampieri           Discovered 1998 Feb. 13 by L. Tesi and A. Boattini at San Marcello Pistoiese.
Giuliano Giampieri (b. 1932) is a friend of the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

Alternate Designations
 1998 CF2 = 1996 TS56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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