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17842 Jorgegarcia (1998 HN98)
Classification: Main-belt Asteroid          SPK-ID: 2017842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464735535196556 3.0229e-08  
a 2.626655720373431 1.0522e-08 au
q 2.241920123137604 7.9679e-08 au
i 5.484283932139399 4.8552e-06 deg
node 32.9053351865125 3.5526e-05 deg
peri 98.43044829725467 3.9445e-05 deg
M 232.0740935990588 1.7614e-05 deg
tp 2459949.034191971983
(2023-Jan-04.53419197)
7.7186e-05 TDB
period 1554.902479928417
4.26
9.3433e-06
2.558e-08
d
yr
n .2315257738971343 1.3912e-09 deg/d
Q 3.011391317609258 1.2063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1581  
   data-arc span      14322 days (39.21 yr)  
   first obs. used      1981-05-08  
   last obs. used      2020-07-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47198  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:15:00  

Additional Information
 Earth MOID = 1.26486 au 
 Jupiter MOID = 2.04562 au 
 T_jup = 3.380 
[ 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 14.25   n/a MPCxxxxx  
diameter diameter 4.725 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17842 Jorgegarcia           Discovered 1998 Apr. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Felix Javier Jorge-Garcia (b. 1987) was awarded third place in the 2003 Intel International Science and Engineering Fair for his behavioral and social sciences team project. He attends the Isidro A. Sanchez High School, Luquillo, Puerto Rico, 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: 20040614/MPCPages.arcLast Updated: 2009-12-11

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Alternate Designations
 1998 HN98 = 1981 JB4 = 1983 VM6 = 1993 AT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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