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JPL Small-Body Database Browser
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13235 Isiguroyuki (1998 HT42)
Classification: Main-belt Asteroid          SPK-ID: 2013235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04292184145903936 3.0663e-08  
a 2.308537705347562 7.5081e-09 au
q 2.209451015956419 7.2864e-08 au
i 4.021252092867306 4.0568e-06 deg
node 181.4396072925011 4.8176e-05 deg
peri 101.2733874118992 6.8724e-05 deg
M 297.4725733162505 4.9367e-05 deg
tp 2458823.021480198523
(2019-Dec-05.52148020)
0.00017585 TDB
period 1281.161517755017
3.51
6.2501e-06
1.711e-08
d
yr
n .2809950150788396 1.3708e-09 deg/d
Q 2.407624394738704 7.8303e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1747  
   data-arc span      12787 days (35.01 yr)  
   first obs. used      1984-05-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50778  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:08:12  

Additional Information
 Earth MOID = 1.19682 au 
 Jupiter MOID = 2.62979 au 
 T_jup = 3.582 
[ 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 14.2   n/a MPO435826  

13235 Isiguroyuki           Discovered 1998 Apr. 30 by T. Okuni at Nanyo.
Amateur astronomer Nobuyuki Ishiguro (b. 1959) has been active in the Nanyo Astronomical Amateurs Club since 1984.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080618/MPCPages.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 1998 HT42 = 1984 JJ = 1985 SA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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