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332685 (2009 HH36)
Classification: Centaur          SPK-ID: 2332685
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4461606924103068 1.1644e-06  
a 12.70999837225645 2.5772e-05 au
q 7.039296697956639 9.0431e-07 au
i 23.30318172241061 1.0119e-05 deg
node 72.15602402550898 2.2279e-05 deg
peri 240.138223940528 4.1089e-05 deg
M 53.45645515834573 0.00017848 deg
tp 2456542.882308778104
(2013-Sep-07.38230878)
0.00083982 TDB
period 16550.71153182807
45.31
0.05034
0.0001378
d
yr
n .02175133070911768 6.6158e-08 deg/d
Q 18.38070004655626 3.7271e-05 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      4316 days (11.82 yr)  
   first obs. used      2008-04-03  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .52356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:10:28  

Additional Information
 Earth MOID = 6.09441 au 
 Jupiter MOID = 2.46314 au 
 T_jup = 2.979 
[ 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 10.8   n/a MPO460356  
diameter diameter 33.000 km 2.800 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)  
geometric albedo albedo 0.078   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)  

332685 (2009 HH36)          Discovered 2009-Apr-19 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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