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JPL Small-Body Database Browser
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4545 Primolevi (1989 SB11)
Classification: Main-belt Asteroid          SPK-ID: 2004545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352301335333332 3.093e-08  
a 3.143698687583012 1.4781e-08 au
q 2.718575894272597 9.5262e-08 au
i 1.804570167552849 4.4745e-06 deg
node 36.71151205177685 0.00011433 deg
peri 71.25352024581177 0.00011569 deg
M 117.5216716496549 1.7274e-05 deg
tp 2458335.877167370425
(2018-Aug-05.37716737)
9.6217e-05 TDB
period 2035.915728461727
5.57
1.4359e-05
3.931e-08
d
yr
n .176824607702208 1.2471e-09 deg/d
Q 3.568821480893427 1.678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2418  
   data-arc span      24926 days (68.24 yr)  
   first obs. used      1952-01-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:09:07  

Additional Information
 Earth MOID = 1.73604 au 
 Jupiter MOID = 1.55468 au 
 T_jup = 3.195 
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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 12.3   n/a MPO439108  
diameter diameter 16.668 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.160   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4545 Primolevi           Discovered 1989 Sept. 28 by H. Debehogne at the European Southern Observatory.
Primo Levi (1919-1987) was an Italian chemist and writer. He was the author of two novels and several collections of short stories, essays and poems. His best-known work is If this is a man, his account of the period he spent as a prisoner in Auschwitz concentration camp. Name suggested by M. Di Martino and P. Bianucci.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111012/MPCPages.arcLast Updated: 2011-10-13

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Alternate Designations
 1989 SB11 = 1952 BG2 = 1969 EE2 = 1978 SV5 = 1978 UN3 = 1980 EP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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