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JPL Small-Body Database Browser
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74397 (1998 XS71)
Classification: Main-belt Asteroid          SPK-ID: 2074397
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2923087942299824 4.6078e-08  
a 2.799306771835315 1.7215e-08 au
q 1.98104478468031 1.2465e-07 au
i 6.810862753989777 5.9145e-06 deg
node 4.468723559972722 5.0255e-05 deg
peri 72.57607898540284 5.2064e-05 deg
M 130.0534247120216 1.187e-05 deg
tp 2457982.492904669396
(2017-Aug-16.99290467)
5.3516e-05 TDB
period 1710.701235370481
4.68
1.5781e-05
4.321e-08
d
yr
n .2104400187225187 1.9412e-09 deg/d
Q 3.617568758990321 2.2247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      8950 days (24.50 yr)  
   first obs. used      1993-10-10  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5287  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:13:36  

Additional Information
 Earth MOID = 1.00857 au 
 Jupiter MOID = 1.75155 au 
 T_jup = 3.252 
[ 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 15.8   n/a MPO263907  

74397 (1998 XS71)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XS71 = 1993 TO42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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