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362215 (2009 HH66)
Classification: Main-belt Asteroid          SPK-ID: 2362215
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793489829351937 6.5919e-08  
a 2.681692610888384 3.3941e-08 au
q 2.200733768580728 1.9237e-07 au
i 14.21749613427007 6.0555e-06 deg
node 166.0131966331547 3.8079e-05 deg
peri 1.485943018300365 4.852e-05 deg
M 278.6574165979796 3.43e-05 deg
tp 2459562.932705003060
(2021-Dec-14.43270500)
0.00015752 TDB
period 1604.027906960487
4.39
3.0452e-05
8.337e-08
d
yr
n .224434997943504 4.2609e-09 deg/d
Q 3.16265145319604 4.0029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7611 days (20.84 yr)  
   first obs. used      2000-04-07  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56338  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:41  

Additional Information
 Earth MOID = 1.20746 au 
 Jupiter MOID = 1.80819 au 
 T_jup = 3.310 
[ 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 16.57   n/a MPCxxxxx  

362215 (2009 HH66)          Discovered 2009-Apr-23 by Spacewatch at Kitt Peak
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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