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22575 Jayallen (1998 HC46)
Classification: Main-belt Asteroid          SPK-ID: 2022575
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0848999190778333 2.9042e-08  
a 2.381023367374242 8.5002e-09 au
q 2.178874676161739 6.7499e-08 au
i 6.613796611436729 4.7177e-06 deg
node 194.8745653225566 2.5401e-05 deg
peri 285.1037286758526 3.7706e-05 deg
M 137.7444642562515 2.6965e-05 deg
tp 2458687.029418139145
(2019-Jul-22.52941814)
0.00010055 TDB
period 1341.973417719533
3.67
7.1862e-06
1.967e-08
d
yr
n .2682616475457179 1.4365e-09 deg/d
Q 2.583172058586745 9.2218e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1395  
   data-arc span      10132 days (27.74 yr)  
   first obs. used      1992-09-29  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53746  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:07:46  

Additional Information
 Earth MOID = 1.20544 au 
 Jupiter MOID = 2.47938 au 
 T_jup = 3.524 
[ 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 15.09   n/a E2021B10  

22575 Jayallen           Discovered 1998 Apr. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jay Allen mentored a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the American Fork High School, American Fork, Utah.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060314/MPCPages.arcLast Updated: 2006-03-23

Alternate Designations
 1998 HC46 = 1999 RV3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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