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JPL Small-Body Database Browser
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16920 Larrywalker (1998 FR37)
Classification: Main-belt Asteroid          SPK-ID: 2016920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03578200118472082 3.8879e-08  
a 2.733664560034745 1.4499e-08 au
q 2.635848571508952 1.034e-07 au
i 5.558237783495377 4.1471e-06 deg
node 145.4760889250091 3.9581e-05 deg
peri 170.9830567886001 6.993e-05 deg
M 183.5848260769176 5.8817e-05 deg
tp 2459809.502189576480
(2022-Aug-18.00218958)
0.00027045 TDB
period 1650.88286778843
4.52
1.3134e-05
3.596e-08
d
yr
n .2180651377661132 1.7349e-09 deg/d
Q 2.831480548560537 1.5018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1734  
   data-arc span      13159 days (36.03 yr)  
   first obs. used      1984-01-25  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50224  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:52:10  

Additional Information
 Earth MOID = 1.62243 au 
 Jupiter MOID = 2.27454 au 
 T_jup = 3.345 
[ 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 13.8   n/a MPO416890  

16920 Larrywalker           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Larry Walker mentored a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors. He teaches at the Oak Ridge High School, Conroe, Texas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030216/MPCPages.arcLast Updated: 2011-11-22

[ show close-approach data ]
Alternate Designations
 1998 FR37 = 1984 BW2 = 1986 OP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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