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15438 Joegotobed (1998 WF1)
Classification: Main-belt Asteroid          SPK-ID: 2015438
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680808619668654 2.558e-08  
a 2.635871884516394 1.4583e-08 au
q 2.192832266132653 6.945e-08 au
i 34.03199104229119 6.924e-07 deg
node 105.8840283417913 1.8732e-06 deg
peri 163.9775811227366 3.9149e-06 deg
M 193.3567796773025 5.8702e-06 deg
tp 2459924.052456486317
(2022-Dec-10.55245649)
3.1156e-05 TDB
period 1563.093198935233
4.28
1.2972e-05
3.552e-08
d
yr
n .2303125624532364 1.9114e-09 deg/d
Q 3.078911502900136 1.7034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1740  
   data-arc span      24876 days (68.11 yr)  
   first obs. used      1953-02-08  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45272  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:02:58  

Additional Information
 Earth MOID = 1.18251 au 
 Jupiter MOID = 2.12527 au 
 T_jup = 3.137 
[ 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 13.49   n/a E2021B10  
diameter diameter 5.265 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.506 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Clark, M. (2019) Minor Planet Bull. 46, 346-349.]
geometric albedo albedo 0.337   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15438 Joegotobed           Discovered 1998 Nov 17 by the Catalina Sky Survey.
Joseph Gotobed (b. 1955) is network operations manager for the Lunar and Planetary Lab at the University of Arizona. His work creating information systems helped support many interplanetary missions, including Pioneer Saturn, Phoenix, Cassini, Mars Reconnaissance Orbiter and Mars Global Surveyor.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120831/MPCPages.arcLast Updated: 2012-09-04

Alternate Designations
 1998 WF1 = 1999 XE180 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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