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JPL Small-Body Database Browser
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48859 (1998 HY13)
Classification: Main-belt Asteroid          SPK-ID: 2048859
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1474808495469014 4.2082e-08  
a 2.186720175355124 7.7494e-09 au
q 1.864220826172401 9.1775e-08 au
i 4.585231260243612 3.419e-06 deg
node 91.0995955778658 6.3688e-05 deg
peri 231.948846611994 6.532e-05 deg
M 81.59041753848024 1.5115e-05 deg
tp 2458332.814467549241
(2018-Aug-02.31446755)
4.9483e-05 TDB
period 1181.104283929226
3.23
6.2785e-06
1.719e-08
d
yr
n .304799504072895 1.6202e-09 deg/d
Q 2.509219524537847 8.8923e-09 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      7900 days (21.63 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55305  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:15:16  

Additional Information
 Earth MOID = .854906 au 
 Jupiter MOID = 2.77736 au 
 T_jup = 3.658 
[ 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 16.0   n/a MPO493202  

48859 (1998 HY13)          Discovered 1998-Apr-24 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HY13 = 1999 XH28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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