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362218 (2009 HJ73)
Classification: Main-belt Asteroid          SPK-ID: 2362218
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2284141513168471 7.8379e-08  
a 2.5763735353507 2.4307e-08 au
q 1.987893360798385 2.1511e-07 au
i 12.81075211557403 4.8495e-06 deg
node 129.6681997862002 2.2693e-05 deg
peri 50.3319142519348 2.3984e-05 deg
M 325.9674824273944 7.6815e-06 deg
tp 2459343.291793230011
(2021-May-08.79179323)
3.2741e-05 TDB
period 1510.468493937763
4.14
2.1376e-05
5.852e-08
d
yr
n .2383366494864695 3.3729e-09 deg/d
Q 3.164853709903015 2.9859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      5767 days (15.79 yr)  
   first obs. used      2005-07-04  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52953  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:18:08  

Additional Information
 Earth MOID = 1.01885 au 
 Jupiter MOID = 1.88298 au 
 T_jup = 3.356 
[ 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 16.59   n/a MPCxxxxx  

362218 (2009 HJ73)          Discovered 2009-Mar-21 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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