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312575 (2009 HN67)
Classification: Main-belt Asteroid          SPK-ID: 2312575
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 .1409070114549543 6.6342e-08  
a 3.088206766028585 4.8596e-08 au
q 2.653056779872529 2.2187e-07 au
i 11.19398542209108 1.1197e-05 deg
node 53.1772293653496 3.5188e-05 deg
peri 281.0126968790581 5.3574e-05 deg
M 280.777488101365 4.1939e-05 deg
tp 2459436.718509731207
(2021-Aug-10.21850973)
0.00023331 TDB
period 1982.247971437271
5.43
4.6789e-05
1.281e-07
d
yr
n .1816119906224318 4.2867e-09 deg/d
Q 3.523356752184642 5.5443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      6230 days (17.06 yr)  
   first obs. used      2003-04-01  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:27:45  

Additional Information
 Earth MOID = 1.67294 au 
 Jupiter MOID = 1.96996 au 
 T_jup = 3.181 
[ 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 16.1   n/a MPO434004  

312575 (2009 HN67)          Discovered 2009-Apr-26 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2009 HN67 = 2011 UK146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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