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21394 Justinbecker (1998 FY35)
Classification: Main-belt Asteroid          SPK-ID: 2021394
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806160058570612 1.9211e-08  
a 2.19988388379646 6.7761e-09 au
q 1.802549643355824 4.1755e-08 au
i 5.796042900427913 8.7128e-07 deg
node 13.06887846172865 5.8788e-06 deg
peri 270.0489477318675 9.2015e-06 deg
M 264.5835243857754 5.4182e-06 deg
tp 2459516.377676136670
(2021-Oct-28.87767614)
1.8603e-05 TDB
period 1191.785408936741
3.26
5.5064e-06
1.508e-08
d
yr
n .3020678028951338 1.3956e-09 deg/d
Q 2.597218124237096 8e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1603  
   data-arc span      11482 days (31.44 yr)  
   first obs. used      1989-10-07  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49829  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:44:42  

Additional Information
 Earth MOID = .796061 au 
 Jupiter MOID = 2.56795 au 
 T_jup = 3.638 
[ 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 14.53   n/a E2021B10  
diameter diameter 2.878 km 0.412 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.354   0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21394 Justinbecker           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Justin Scott Becker (b. 1987) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for his medicine and health project. He attends the Hendrick Hudson High School, Montrose, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050224/MPCPages.arcLast Updated: 2005-02-28

Alternate Designations
 1998 FY35 = 1989 TW16 = 1998 KO9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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