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JPL Small-Body Database Browser
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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 ]

[ 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 .1407281108094425 1.2168e-07  
a 3.087346631478912 6.1922e-08 au
q 2.652870172616989 3.5879e-07 au
i 11.19517390686009 1.1219e-05 deg
node 53.17717323135555 4.5255e-05 deg
peri 281.1689350716892 6.3052e-05 deg
M 207.9181693728883 5.0023e-05 deg
tp 2459437.549895501413
(2021-Aug-11.04989550)
0.00028759 TDB
period 1981.41987861362
5.42
5.9611e-05
1.632e-07
d
yr
n .1816878915396208 5.4661e-09 deg/d
Q 3.521823090340836 7.0636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      5789 days (15.85 yr)  
   first obs. used      2003-04-01  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:12:00  

Additional Information
 Earth MOID = 1.67191 au 
 Jupiter MOID = 1.97022 au 
 T_jup = 3.182 
[ 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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