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JPL Small-Body Database Browser
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108278 (2001 HF59)
Classification: Main-belt Asteroid          SPK-ID: 2108278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314790557640614 3.7166e-08  
a 2.570695674557869 1.5574e-08 au
q 2.232703034610243 9.452e-08 au
i 5.627443334707085 5.0055e-06 deg
node 278.4682104538342 4.8537e-05 deg
peri 321.8845100920826 5.3539e-05 deg
M 208.5791220638082 2.4707e-05 deg
tp 2459633.724465681766
(2022-Feb-23.22446568)
0.00010614 TDB
period 1505.478047363439
4.12
1.3681e-05
3.746e-08
d
yr
n .2391267017346896 2.173e-09 deg/d
Q 2.908688314505495 1.7621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      6818 days (18.67 yr)  
   first obs. used      2001-03-29  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:59:45  

Additional Information
 Earth MOID = 1.2231 au 
 Jupiter MOID = 2.12788 au 
 T_jup = 3.411 
[ 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 15.9   n/a MPO449647  

108278 (2001 HF59)          Discovered 2001-Apr-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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