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JPL Small-Body Database Browser
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136893 (1998 HK25)
Classification: Main-belt Asteroid          SPK-ID: 2136893
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271473115402192 5.9972e-08  
a 3.013838544114074 3.1944e-08 au
q 2.630637075813681 1.7245e-07 au
i 3.635905385265138 7.3089e-06 deg
node 85.40956598329566 0.00011772 deg
peri 23.62046360109656 0.0001226 deg
M 159.477729571223 3.3338e-05 deg
tp 2458153.904521967335
(2018-Feb-04.40452197)
0.0001738 TDB
period 1911.077947442478
5.23
3.0383e-05
8.318e-08
d
yr
n .1883753619164378 2.9949e-09 deg/d
Q 3.397040012414467 3.6005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      7693 days (21.06 yr)  
   first obs. used      1998-04-18  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59852  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:29  

Additional Information
 Earth MOID = 1.64789 au 
 Jupiter MOID = 1.7209 au 
 T_jup = 3.233 
[ 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 16.2   n/a MPO475190  

136893 (1998 HK25)          Discovered 1998-Apr-18 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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