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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695821583392034 2.8734e-08  
a 2.540619309361177 8.2727e-09 au
q 2.109775603361452 7.1968e-08 au
i 13.41220559640746 3.8875e-06 deg
node 50.11538151584881 1.5077e-05 deg
peri 256.8220780680708 2.0746e-05 deg
M 59.34390476528095 1.3657e-05 deg
tp 2458956.673201167638
(2020-Apr-17.17320117)
5.6221e-05 TDB
period 1479.135016929395
4.05
7.2245e-06
1.978e-08
d
yr
n .2433854894107914 1.1888e-09 deg/d
Q 2.971463015360902 9.6756e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2321  
   data-arc span      10327 days (28.27 yr)  
   first obs. used      1992-11-26  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 07:41:21  

Additional Information
 Earth MOID = 1.14057 au 
 Jupiter MOID = 2.34877 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457538.5 (2016-May-30.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694201565276217 2.8784e-08  
q 2.110776131967901 7.2205e-08 au
tp 2457478.619276588627
(2016-Mar-31.11927659)
5.7602e-05 TDB
node 50.14146268842718 1.5067e-05 deg
peri 257.1814591448666 2.0735e-05 deg
i 13.41628647311108 3.8888e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2321  
   data-arc span      10327 days (28.27 yr)  
   first obs. used      1992-11-26  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 07:41:21  

Additional Information
 Jupiter MOID = 2.34877 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.285169245377314E-16 -2.069092361894379E-15 8.494751594430453E-13 -2.597844771304326E-15 2.090252263789367E-13 -4.411457538163573E-15
q -2.069092361894379E-15 5.213564250598936E-15 -2.256834951360346E-12 5.525592766101043E-15 -5.545354060377262E-13 1.175023653768738E-14
tp 8.494751594430453E-13 -2.256834951360346E-12 3.317992358591498E-9 5.941567127160892E-12 8.347990110875955E-10 -1.493446451061016E-11
node -2.597844771304326E-15 5.525592766101043E-15 5.941567127160892E-12 2.270221760441888E-10 -2.193192978205389E-10 -3.186848177180309E-11
peri 2.090252263789367E-13 -5.545354060377262E-13 8.347990110875955E-10 -2.193192978205389E-10 4.299357021886816E-10 2.736578992666069E-11
i -4.411457538163573E-15 1.175023653768738E-14 -1.493446451061016E-11 -3.186848177180309E-11 2.736578992666069E-11 1.512287036132262E-11

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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