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19585 Zachopkins (1999 NU7)
Classification: Main-belt Asteroid          SPK-ID: 2019585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859007238827013 4.0416e-08  
a 3.090547248241862 1.7544e-08 au
q 2.51601227760001 1.3339e-07 au
i 2.665466227505845 5.8266e-06 deg
node 225.4561476378325 8.537e-05 deg
peri 56.8571705861206 8.6956e-05 deg
M 351.0188769471259 1.5953e-05 deg
tp 2459250.008486978135
(2021-Feb-04.50848698)
8.8084e-05 TDB
period 1984.501849846591
5.43
1.6898e-05
4.626e-08
d
yr
n .1814057265947266 1.5446e-09 deg/d
Q 3.665082218883715 2.0805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1241  
   data-arc span      9953 days (27.25 yr)  
   first obs. used      1993-05-14  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54123  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:58:56  

Additional Information
 Earth MOID = 1.49893 au 
 Jupiter MOID = 1.49276 au 
 T_jup = 3.196 
[ 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 14.15   n/a E2021B10  
diameter diameter 4.174 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19585 Zachopkins           Discovered 1999 July 13 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Zachary Harvey Hopkins (b. 1988) is a finalist in the 2003 Discovery Channel Young Scientist Challenge, a middle school science competition, for his biochemistry, medicine, health and microbiology project. He attends the Mountain Ridge Junior High School, Highland, Utah.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

[ show close-approach data ]
Alternate Designations
 1999 NU7 = 1998 FR135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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