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JPL Small-Body Database Browser
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58894 (1998 HK155)
Classification: Main-belt Asteroid          SPK-ID: 2058894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766361209020905 3.9361e-08  
a 2.597051854123081 1.5344e-08 au
q 2.138318688829199 1.0748e-07 au
i 5.278311493919092 5.2967e-06 deg
node 74.02985170771528 4.8748e-05 deg
peri 217.0765276280025 5.159e-05 deg
M 291.3711370732709 1.9128e-05 deg
tp 2458891.922890242647
(2020-Feb-12.42289024)
8.2576e-05 TDB
period 1528.689767151779
4.19
1.3548e-05
3.709e-08
d
yr
n .2354957871345891 2.0871e-09 deg/d
Q 3.055785019416964 1.8055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      10051 days (27.52 yr)  
   first obs. used      1991-11-02  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:36:41  

Additional Information
 Earth MOID = 1.12425 au 
 Jupiter MOID = 2.12572 au 
 T_jup = 3.388 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO436193  

58894 (1998 HK155)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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