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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090643609238303 3.6507e-08  
a 2.994932428768839 1.4667e-08 au
q 2.66829203741511 1.1366e-07 au
i 2.738803674241403 4.916e-06 deg
node 171.1608229514617 7.434e-05 deg
peri 126.5268450753983 7.7529e-05 deg
M 328.2257834170059 2.3134e-05 deg
tp 2459563.590331301122
(2021-Dec-15.09033130)
0.00012194 TDB
period 1893.123599484688
5.18
1.3907e-05
3.808e-08
d
yr
n .1901619102408277 1.3969e-09 deg/d
Q 3.321572820122566 1.6267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      10855 days (29.72 yr)  
   first obs. used      1991-10-07  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:48:50  

Additional Information
 Earth MOID = 1.65325 au 
 Jupiter MOID = 1.86321 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 14.41   n/a E2021B10  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1930-Dec-28 23:13 00:02 Jupiter 1.89014800462519 1.89014750692194 1.89014850232844 2.41570676278876 2.22247367384032 2426339.467075881 1.91008352582589 52.3311012993661 16.7170538571803 -86.3380280365653 3393257.17916645 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 03:49:07 2021-Jul-08 03:49
1976-Nov-24 07:07 < 00:01 Jupiter 1.87103016619154 1.87102976468544 1.87103056769753 2.84137302334424 2.67731077944036 2443106.796485660 0.847362386282533 48.4354994291387 10.2641685761694 -89.2914976915318 2969041.19452213 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 03:49:07 2021-Jul-08 03:49
2013-Nov-14 10:12 < 00:01 Jupiter 1.87722052529581 1.87722019925955 1.87722085133207 2.40064848325349 2.20469752619893 2456610.925289648 0.198472952061712 46.4835700803875 3.53465941590944 83.5628514989314 3601153.23014955 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 03:49:07 2021-Jul-08 03:49
2059-Oct-11 02:11 00:01 Jupiter 1.89235865336284 1.892358227483 1.89235907924267 2.99630486334056 2.84299839925767 2473377.590935835 1.080101559363 57.5419147694778 12.1535073397493 -86.4205469084177 3130395.62446522 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 03:49:07 2021-Jul-08 03:49
2096-Sep-30 07:16 00:02 Jupiter 1.86600968484809 1.86600926966506 1.86601010003101 2.40161420663195 2.20451971157738 2486881.802517003 1.91356947649453 46.4967947308411 12.4200007084388 84.0518042303141 3599491.00295788 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 03:49:07 2021-Jul-08 03:49
2142-Aug-31 00:08 00:03 Jupiter 1.92165136170867 1.92165060060498 1.92165212281455 3.17832586595153 3.03647796099364 2503651.505728100 2.92802511570785 134.154703491297 14.0135481524711 -82.1996755766233 3005920.42078296 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 03:49:07 2021-Jul-08 03:49
2179-Aug-18 07:25 00:04 Jupiter 1.85715661179032 1.85715617822406 1.85715704535659 2.41917238424754 2.22266139833663 2517152.809175484 3.81041123350093 50.1778803176768 18.5294276897719 74.0390897034697 3597698.24992012 T 25 CATAB v2.0g-lin.ifort 2021-Jul-08 03:49:07 2021-Jul-08 03:49

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