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JPL Small-Body Database Browser
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74263 (1998 SH89)
Classification: Main-belt Asteroid          SPK-ID: 2074263
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 .1087213398945004 4.2568e-08  
a 2.461275285228703 1.5006e-08 au
q 2.19368213836942 1.0115e-07 au
i 4.339400062689352 5.2983e-06 deg
node 326.0341136913516 4.8704e-05 deg
peri 250.0994845493689 5.4456e-05 deg
M 255.6421432867 2.4145e-05 deg
tp 2459009.347515824733
(2020-Jun-08.84751582)
9.4522e-05 TDB
period 1410.388353425675
3.86
1.2899e-05
3.532e-08
d
yr
n .2552488462667749 2.3344e-09 deg/d
Q 2.728868432087986 1.6638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      7418 days (20.31 yr)  
   first obs. used      1998-09-16  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56942  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:39:25  

Additional Information
 Earth MOID = 1.19165 au 
 Jupiter MOID = 2.26069 au 
 T_jup = 3.478 
[ 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 15.3   n/a MPO319935  

74263 (1998 SH89)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SH89 = 2002 TF269 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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