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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08499007984843979 4.8841e-08  
a 2.312918531555163 8.9942e-09 au
q 2.116343400875354 1.1487e-07 au
i 6.335085681711863 5.1211e-06 deg
node 304.4558022960849 3.8604e-05 deg
peri 64.9367339559729 4.7316e-05 deg
M 254.709130143828 2.6964e-05 deg
tp 2459376.274359643440
(2021-Jun-10.77435964)
9.6953e-05 TDB
period 1284.810066214004
3.52
7.4943e-06
2.052e-08
d
yr
n .2801970575003548 1.6344e-09 deg/d
Q 2.509493662234973 9.7586e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      8721 days (23.88 yr)  
   first obs. used      1996-10-02  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:19:25  

Additional Information
 Earth MOID = 1.12349 au 
 Jupiter MOID = 2.86482 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456717.5 (2014-Mar-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08425213568928208 4.8711e-08  
q 2.117763291275743 1.1436e-07 au
tp 2456806.258937138843
(2014-May-28.75893714)
9.4463e-05 TDB
node 304.5162667736492 3.8559e-05 deg
peri 64.6963650525431 4.7489e-05 deg
i 6.339089475599977 5.123e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      8721 days (23.88 yr)  
   first obs. used      1996-10-02  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:19:25  

Additional Information
 Jupiter MOID = 2.86482 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.372776486584171E-15 -5.556206453814097E-15 -1.997727464488656E-12 1.614150101481042E-14 -6.292071254796499E-13 -2.365860175206961E-15
q -5.556206453814097E-15 1.307735895751253E-14 4.756816506909579E-12 -3.793598342645197E-14 1.494204420843687E-12 5.769507745283656E-15
tp -1.997727464488656E-12 4.756816506909579E-12 8.923179748336724E-9 -3.971763011312712E-11 2.633056724362518E-9 2.959832464164965E-12
node 1.614150101481042E-14 -3.793598342645197E-14 -3.971763011312712E-11 1.486803510545223E-9 -1.488926892796002E-9 7.232461102578783E-11
peri -6.292071254796499E-13 1.494204420843687E-12 2.633056724362518E-9 -1.488926892796002E-9 2.255218120809825E-9 -7.102738793756879E-11
i -2.365860175206961E-15 5.769507745283656E-15 2.959832464164965E-12 7.232461102578783E-11 -7.102738793756879E-11 2.624515004409743E-11

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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