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JPL Small-Body Database Browser
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58865 (1998 HX109)
Classification: Main-belt Asteroid          SPK-ID: 2058865
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181413773053699 4.9475e-08  
a 3.197757492412473 2.9139e-08 au
q 2.819970017970298 1.6241e-07 au
i 11.23288649153264 5.4099e-06 deg
node 82.97317282721167 2.8489e-05 deg
peri 275.8911681107176 3.6187e-05 deg
M 94.99549721805612 2.2051e-05 deg
tp 2458049.353271211516
(2017-Oct-22.85327121)
0.00012658 TDB
period 2088.655022336587
5.72
2.8549e-05
7.816e-08
d
yr
n .1723597224769395 2.3559e-09 deg/d
Q 3.575544966854649 3.2582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59563  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:36:34  

Additional Information
 Earth MOID = 1.84499 au 
 Jupiter MOID = 1.95944 au 
 T_jup = 3.154 
[ 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 14.1   n/a MPO337722  
diameter diameter 9.254 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58865 (1998 HX109)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HX109 = 2001 YQ119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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