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15145 Ritageorge (2000 EF117)
Classification: Main-belt Asteroid          SPK-ID: 2015145
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330244142781936 2.5475e-08  
a 2.202395780743005 5.925e-09 au
q 1.909423372000902 5.4987e-08 au
i 4.313589485623107 3.2078e-06 deg
node 24.77882157127005 4.3114e-05 deg
peri 211.820190427335 4.5325e-05 deg
M 158.4664644359754 1.4754e-05 deg
tp 2458870.995615212749
(2020-Jan-22.49561521)
4.843e-05 TDB
period 1193.8272188804
3.27
4.8176e-06
1.319e-08
d
yr
n .3015511744971074 1.2169e-09 deg/d
Q 2.495368189485109 6.7132e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1840  
   data-arc span      11258 days (30.82 yr)  
   first obs. used      1990-03-25  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49597  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:49:41  

Additional Information
 Earth MOID = .899907 au 
 Jupiter MOID = 2.50122 au 
 T_jup = 3.649 
[ 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 15.02   n/a E2021B10  
diameter diameter 2.839 km 0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15145 Ritageorge           Discovered 2000 Mar. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Rita M. George for achievement as a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Rita is a student at the Manhattan Beach Middle School, Manhattan Beach, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011002/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 2000 EF117 = 1990 FO5 = 1994 RN11 = 1998 WG34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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