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JPL Small-Body Database Browser
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392155 (2009 HH69)
Classification: Main-belt Asteroid          SPK-ID: 2392155
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2179757672732355 1.142e-07  
a 3.093405353921653 8.4928e-08 au
q 2.419117948413446 3.4435e-07 au
i 1.777577586880961 1.2161e-05 deg
node 78.62699464899831 0.00050476 deg
peri 184.9654857758594 0.00050713 deg
M 267.4570092378322 4.4336e-05 deg
tp 2459111.351539021284
(2020-Sep-18.85153902)
0.00025421 TDB
period 1987.255355949058
5.44
8.1839e-05
2.241e-07
d
yr
n .1811543740074984 7.4602e-09 deg/d
Q 3.767692759429861 1.0344e-07 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      3565 days (9.76 yr)  
   first obs. used      2005-10-01  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64707  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:24:19  

Additional Information
 Earth MOID = 1.40307 au 
 Jupiter MOID = 1.3216 au 
 T_jup = 3.186 
[ 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 17.0   n/a MPO346068  

392155 (2009 HH69)          Discovered 2009-Mar-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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