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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346724273915962 2.972e-08  
a 3.145334596689499 1.4389e-08 au
q 2.721744751594557 9.0604e-08 au
i 1.804011526962658 4.2538e-06 deg
node 36.69787889183038 0.0001006 deg
peri 71.37168628038171 0.00010188 deg
M 152.7871009846994 1.659e-05 deg
tp 2458335.765284226527
(2018-Aug-05.26528423)
9.1403e-05 TDB
period 2037.505101360783
5.58
1.3981e-05
3.828e-08
d
yr
n .1766866741877445 1.2124e-09 deg/d
Q 3.568924441784441 1.6326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2706  
   data-arc span      25066 days (68.63 yr)  
   first obs. used      1952-01-30  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43622  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:29:05  

Additional Information
 Earth MOID = 1.73907 au 
 Jupiter MOID = 1.55366 au 
 T_jup = 3.194 
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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 12.34   n/a E2021B10  
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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