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22564 Jeffreyxing (1998 HP29)
Classification: Main-belt Asteroid          SPK-ID: 2022564
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691562824381912 3.07e-08  
a 2.22598718852811 6.897e-09 au
q 1.849447470961654 6.7485e-08 au
i 3.459604681128512 4.0342e-06 deg
node 197.2433589118398 6.1425e-05 deg
peri 122.9688593790036 6.2879e-05 deg
M 192.9841709671004 1.4873e-05 deg
tp 2459763.278568472613
(2022-Jul-02.77856847)
5.1514e-05 TDB
period 1213.060377709656
3.32
5.6378e-06
1.544e-08
d
yr
n .2967700591125607 1.3793e-09 deg/d
Q 2.602526906094567 8.0636e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      9893 days (27.09 yr)  
   first obs. used      1994-02-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:07:39  

Additional Information
 Earth MOID = .837564 au 
 Jupiter MOID = 2.69849 au 
 T_jup = 3.624 
[ 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 15.49   n/a E2021B10  

22564 Jeffreyxing           Discovered 1998 Apr. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jeffrey Chunlong Xing (b. 1988) is a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors, for his medicine and health project. He attends the River Hill High School, Clarksville, Maryland.
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 HP29 = 1999 TG177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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