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33544 Jerold (1999 JY8)
Classification: Main-belt Asteroid          SPK-ID: 2033544
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695821576710017 2.8807e-08  
a 2.540619310208007 8.2828e-09 au
q 2.109775605762321 7.2153e-08 au
i 13.41220546766069 3.8903e-06 deg
node 50.11538142093844 1.5121e-05 deg
peri 256.8220779074887 2.0794e-05 deg
M 59.34390496457288 1.3667e-05 deg
tp 2458956.673200226899
(2020-Apr-17.17320023)
5.6262e-05 TDB
period 1479.135017668924
4.05
7.2333e-06
1.98e-08
d
yr
n .2433854892891049 1.1902e-09 deg/d
Q 2.971463014653692 9.6875e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2278  
   data-arc span      10277 days (28.14 yr)  
   first obs. used      1992-11-26  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4884  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:51:31  

Additional Information
 Earth MOID = 1.14057 au 
 Jupiter MOID = 2.34877 au 
 T_jup = 3.388 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.02   n/a E2021B10  
diameter diameter 3.966 km 0.979 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.372   0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

33544 Jerold           Discovered 1999 May 15 by C. W. Juels at Fountain Hills.
Jerold Z. Kaplan (b. 1945) is a physician and surgeon who has been caring for individuals with burns and wounds in northern California since 1977. He is a burn prevention educator and utilizes medical hypnosis. As teenagers, he and this minor planet's discoverer often viewed the heavens with the latter's 60-mm refractor.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031110/MPCPages.arcLast Updated: 2003-11-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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