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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181821630624207 1.0177e-07  
a 3.093239079594056 4.2939e-08 au
q 2.418349486339014 3.2853e-07 au
i 1.777566731095435 1.0461e-05 deg
node 78.62519498278429 0.00034459 deg
peri 185.0260799899782 0.00034805 deg
M 339.8915773812427 3.5161e-05 deg
tp 2459111.492635271312
(2020-Sep-18.99263527)
0.00019365 TDB
period 1987.095131987122
5.44
4.1376e-05
1.133e-07
d
yr
n .1811689808932274 3.7724e-09 deg/d
Q 3.768128672849099 5.2307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      5322 days (14.57 yr)  
   first obs. used      2005-10-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:22:42  

Additional Information
 Earth MOID = 1.40267 au 
 Jupiter MOID = 1.32214 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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