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48782 Fierz (1997 SP)
Classification: Main-belt Asteroid          SPK-ID: 2048782
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513531240748141 3.3593e-08  
a 2.739557697322805 1.3282e-08 au
q 2.324917081249795 9.1732e-08 au
i 9.642352999680519 4.5333e-06 deg
node 163.9578190145865 2.2596e-05 deg
peri 105.2460977579635 2.7206e-05 deg
M 68.39838542703491 1.5245e-05 deg
tp 2458685.824845983137
(2019-Jul-21.32484598)
6.965e-05 TDB
period 1656.224116092873
4.53
1.2045e-05
3.298e-08
d
yr
n .2173618875018319 1.5808e-09 deg/d
Q 3.154198313395816 1.5293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1199  
   data-arc span      8435 days (23.09 yr)  
   first obs. used      1997-09-20  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52223  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:48  

Additional Information
 Earth MOID = 1.33185 au 
 Jupiter MOID = 2.02821 au 
 T_jup = 3.314 
[ 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 14.7   n/a MPO439425  
diameter diameter 3.501 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48782 Fierz           Discovered 1997 Sept. 20 by L. Šarounová at Ondřejov.
Swiss teacher Olga Fierz (1900-1990) dedicated all her life to the custody of children in difficult life situations. After World War II she fostered Jewish, Bohemian and German children returning from the concentration and internment camps. She was holder of Czech and Israeli awards. The name was suggested by I. Kellnerová.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090409/MPCPages.arcLast Updated: 2009-04-10

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Alternate Designations
 1997 SP = 2000 DU38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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