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22730 Jacobhurwitz (1998 SY118)
Classification: Main-belt Asteroid          SPK-ID: 2022730
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148969889915908 3.1426e-08  
a 2.586261880611584 9.2617e-09 au
q 2.289108177785583 8.1419e-08 au
i 1.339000828696437 3.7149e-06 deg
node 189.15950213348 0.00015199 deg
peri 275.929326935692 0.00015295 deg
M 46.23695725659142 1.6892e-05 deg
tp 2459005.383534303795
(2020-Jun-04.88353430)
7.1027e-05 TDB
period 1519.172796359132
4.16
8.1605e-06
2.234e-08
d
yr
n .2369710679804038 1.2729e-09 deg/d
Q 2.883415583437583 1.0326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      10107 days (27.67 yr)  
   first obs. used      1993-07-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:10:52  

Additional Information
 Earth MOID = 1.30627 au 
 Jupiter MOID = 2.22971 au 
 T_jup = 3.412 
[ 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 15.16   n/a E2021B10  

22730 Jacobhurwitz           Discovered 1998 Sept. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jacob Benjamin Hurwitz (b. 1992) is a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his behavioral science project. He attends the Robert Frost Middle School, Rockville, Maryland.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

[ show close-approach data ]
Alternate Designations
 1998 SY118 = 1998 TE23 = 2000 CW36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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