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21713 Michaelolson (1999 RW97)
Classification: Main-belt Asteroid          SPK-ID: 2021713
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619998823172289 3.6311e-08  
a 2.27817164376177 9.8598e-09 au
q 1.909108105573915 8.3958e-08 au
i 6.578931270802396 4.4791e-06 deg
node 146.8676817819873 3.8305e-05 deg
peri 115.7941932125277 4.1829e-05 deg
M 87.11457018129285 1.4707e-05 deg
tp 2458696.575026733824
(2019-Aug-01.07502673)
5.1739e-05 TDB
period 1255.966598332811
3.44
8.1536e-06
2.232e-08
d
yr
n .2866318264178915 1.8608e-09 deg/d
Q 2.647235181949624 1.1457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1095  
   data-arc span      8213 days (22.49 yr)  
   first obs. used      1996-11-14  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54998  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:01:58  

Additional Information
 Earth MOID = .904514 au 
 Jupiter MOID = 2.44514 au 
 T_jup = 3.581 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO340852  

21713 Michaelolson           Discovered 1999 Sept. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Michael R. Olson (b. 1986) was awarded first place in the 2005 Intel International Science and Engineering Fair for his botany team project. He also received the MILSET Expo-Science Award. He attends the Gold Beach High School, Gold Beach, Oregon, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050822/MPCPages.arcLast Updated: 2005-08-26

[ show close-approach data ]
Alternate Designations
 1999 RW97 = 1996 VT29 = 1998 FN20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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