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45298 Williamon (2000 AE42)
Classification: Main-belt Asteroid          SPK-ID: 2045298
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1595278799044992 9.9404e-08  
a 3.076632059424268 4.4583e-08 AU
q 2.585823469738101 2.9417e-07 AU
i 10.06617150255282 9.4711e-06 deg
node 167.8804693391463 4.3241e-05 deg
peri 21.20125697995966 4.8682e-05 deg
M 204.4570222628444 2.4068e-05 deg
tp 2457852.147109603815
(2017-Apr-08.64710960)
0.0001398 JED
period 1971.114118539442
5.40
4.2845e-05
1.173e-07
d
yr
n .1826378273150178 3.9699e-09 deg/d
Q 3.567440649110435 5.1696e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      7174 days (19.64 yr)  
   first obs. used      1995-03-04  
   last obs. used      2014-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64233  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 14:25:23  

Additional Information
 Earth MOID = 1.59142 AU 
 T_jup = 3.186 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO267856  

45298 Williamon           Discovered 2000 Jan. 5 by A. Block at Kitt Peak.
Richard Williamon (b. 1946), known for his research on eclipsing stars, has spent his entire career teaching and promoting public outreach. He worked at Fernbank Science Center in Atlanta for over 30 years as the director of the on-site observatory and planetarium.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 2000 AE42 = 2001 FD22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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