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JPL Small-Body Database Browser
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17743 (1998 BA31)
Classification: Main-belt Asteroid          SPK-ID: 2017743
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644669015407803 3.1665e-08  
a 2.329857431951148 8.4784e-09 au
q 1.946672999086383 7.4588e-08 au
i 5.077955007914083 4.8846e-06 deg
node 174.6960377280446 3.9683e-05 deg
peri 259.9749887795357 4.364e-05 deg
M 22.68225871952771 1.5159e-05 deg
tp 2458518.657997742841
(2019-Feb-04.15799774)		 5.4764e-05 TDB
period 1298.950037423384
3.56		 7.0903e-06
1.941e-08		 d
yr
n .2771469183788632 1.5128e-09 deg/d
Q 2.713041864815912 9.8728e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      15391 days (42.14 yr)  
   first obs. used      1977-03-12  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53483  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:23:18  

Additional Information
 Earth MOID = .968971 au 
 Jupiter MOID = 2.55909 au 
 T_jup = 3.548 
[ 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 15.2   n/a MPO467898  

17743 (1998 BA31)          Discovered 1998-Jan-26 by Spacewatch at Kitt Peak
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BA31 = 1977 ET5 = 1993 TR16 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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