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58864 (1998 HC109)
Classification: Main-belt Asteroid          SPK-ID: 2058864
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343012648689194 4.4248e-08  
a 2.665866530353268 1.7924e-08 au
q 2.307837283355106 1.1861e-07 au
i 11.97965690917091 5.27e-06 deg
node 133.9465315797784 2.1817e-05 deg
peri 97.3926905587024 3.1092e-05 deg
M 280.1255261195636 2.5033e-05 deg
tp 2458953.245546930430
(2020-Apr-13.74554693)
0.00011213 TDB
period 1589.849556756306
4.35
1.6034e-05
4.39e-08
d
yr
n .2264365193990372 2.2837e-09 deg/d
Q 3.023895777351429 2.0332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      9596 days (26.27 yr)  
   first obs. used      1992-12-26  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57489  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:36:34  

Additional Information
 Earth MOID = 1.33411 au 
 Jupiter MOID = 2.09262 au 
 T_jup = 3.340 
[ 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 15.0   n/a MPO468489  
diameter diameter 5.431 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58864 (1998 HC109)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HC109 = 1999 RE233 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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