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JPL Small-Body Database Browser
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58868 (1998 HK112)
Classification: Main-belt Asteroid          SPK-ID: 2058868
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05769999823937365 5.1956e-08  
a 2.848782441571616 1.7912e-08 au
q 2.684407699708575 1.4515e-07 au
i 17.49755990054401 5.0122e-06 deg
node 77.69367772298448 1.9608e-05 deg
peri 150.1732672831807 5.1092e-05 deg
M 114.387540988993 4.7645e-05 deg
tp 2458042.462253897023
(2017-Oct-15.96225390)
0.000232 TDB
period 1756.254106523742
4.81
1.6564e-05
4.535e-08
d
yr
n .2049817271104176 1.9333e-09 deg/d
Q 3.013157183434656 1.8946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1998-04-23  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60041  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:04:46  

Additional Information
 Earth MOID = 1.68107 au 
 Jupiter MOID = 2.04122 au 
 T_jup = 3.236 
[ 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 14.1   n/a MPO359145  

58868 (1998 HK112)          Discovered 1998-Apr-23 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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