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JPL Small-Body Database Browser
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15371 Steward (1996 RZ18)
Classification: Main-belt Asteroid          SPK-ID: 2015371
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088722507984779 3.963e-08  
a 2.99548608068719 1.9699e-08 au
q 2.669360768847265 1.1882e-07 au
i 2.738499055497422 5.607e-06 deg
node 171.1585102016931 8.8922e-05 deg
peri 126.3815690252788 9.296e-05 deg
M 253.0523712020216 2.9655e-05 deg
tp 2459563.058958350493
(2021-Dec-14.55895835)
0.00015832 TDB
period 1893.648576245999
5.18
1.868e-05
5.114e-08
d
yr
n .1901091915975614 1.8753e-09 deg/d
Q 3.321611392527116 2.1844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      972  
   data-arc span      10316 days (28.24 yr)  
   first obs. used      1991-10-07  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57378  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:47:33  

Additional Information
 Earth MOID = 1.65476 au 
 Jupiter MOID = 1.86437 au 
 T_jup = 3.244 
[ 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 14.4   n/a MPO279677  

15371 Steward           Discovered 1996 Sept. 15 by Spacewatch at Kitt Peak.
The Steward Observatory, named in memory of Lavinia Steward, is the research organization associated with the department of astronomy of the University of Arizona. Besides operating telescopes at several locations, its faculty, staff and students are leaders in instrumental development and in theoretical studies.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040713/MPCPages.arcLast Updated: 2004-07-14

[ show close-approach data ]
Alternate Designations
 1996 RZ18 = 2000 JT13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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