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JPL Small-Body Database Browser
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312441 (2008 HN59)
Classification: Outer Main-belt Asteroid          SPK-ID: 2312441
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08506346500585392 5.7868e-08  
a 3.543535096170388 9.8429e-08 au
q 3.242109722520283 1.8956e-07 au
i 6.596113153322777 8.8872e-06 deg
node 63.40546848869842 5.7941e-05 deg
peri 238.2924035915857 8.434e-05 deg
M 159.9707071196858 5.659e-05 deg
tp 2457517.841478911847
(2016-May-09.34147891)
0.00039498 TDB
period 2436.42773486104
6.67
0.00010152
2.779e-07
d
yr
n .1477573066703463 6.1564e-09 deg/d
Q 3.844960469820493 1.068e-07 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      4768 days (13.05 yr)  
   first obs. used      2004-11-04  
   last obs. used      2017-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6374  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:47:41  

Additional Information
 Earth MOID = 2.23261 au 
 Jupiter MOID = 1.34996 au 
 T_jup = 3.102 
[ 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 15.6   n/a MPO427650  

312441 (2008 HN59)          Discovered 2008-Apr-01 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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