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362200 (2009 HX21)
Classification: Main-belt Asteroid          SPK-ID: 2362200
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2810442922208424 1.1123e-07  
a 2.623939581944084 6.6355e-08 au
q 1.886496339306355 3.2123e-07 au
i 27.8245121094421 1.2359e-05 deg
node 37.44662681315693 2.0347e-05 deg
peri 220.3595883548856 4.66e-05 deg
M 240.6445757075378 6.6263e-05 deg
tp 2459715.217380562381
(2022-May-15.71738056)
0.00030401 TDB
period 1552.491293134798
4.25
5.889e-05
1.612e-07
d
yr
n .2318853584506012 8.796e-09 deg/d
Q 3.361382824581812 8.5004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      5803 days (15.89 yr)  
   first obs. used      2005-02-15  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:36  

Additional Information
 Earth MOID = .927316 au 
 Jupiter MOID = 1.8433 au 
 T_jup = 3.188 
[ 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 16.81   n/a MPCxxxxx  

362200 (2009 HX21)          Discovered 2009-Apr-16 by CSS at Catalina
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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