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4321 Zero (1981 EH26)
Classification: Main-belt Asteroid          SPK-ID: 2004321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2847629147602471 3.706e-08  
a 3.066905646469894 1.2911e-08 au
q 2.193564655286467 1.1475e-07 au
i 2.409796126655161 3.1472e-06 deg
node 135.1163446893003 9.9531e-05 deg
peri 244.2999024916592 9.9626e-05 deg
M 290.8688676184972 6.7112e-06 deg
tp 2459577.221337646034
(2021-Dec-28.72133765)
3.7934e-05 TDB
period 1961.774339296943
5.37
1.2388e-05
3.392e-08
d
yr
n .1835073447484363 1.1588e-09 deg/d
Q 3.940246637653321 1.6587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2094  
   data-arc span      15329 days (41.97 yr)  
   first obs. used      1978-09-03  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:12:34  

Additional Information
 Earth MOID = 1.19592 au 
 Jupiter MOID = 1.52343 au 
 T_jup = 3.167 
[ 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 13.19   n/a E2020-QM5  
diameter diameter 11.147 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.098   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4321 Zero           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Samuel Joel "Zero" Mostel (1915-1977) was an American actor, singer and artist. A Tony Award winner for his theatrical performances, Mostel is probably best known for his comedic roles in movies such as A Funny Thing Happened on the Way to the Forum and The Producers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1981 EH26 = 1978 RC4 = 1978 SP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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