Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
16591 (1992 SY17)
Classification: Mars-crossing Asteroid          SPK-ID: 2016591
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2797211102085072 5.087e-08  
a 2.291408299818938 1.5643e-08 AU
q 1.650453026252597 1.1301e-07 AU
i 8.411822197138539 1.0167e-05 deg
node 239.6724808141113 3.4603e-05 deg
peri 71.72197346574565 4.1958e-05 deg
M 181.4783867564264 2.5996e-05 deg
tp 2457628.761506881606
(2016-Aug-28.26150688)
9.5628e-05 JED
period 1266.928627677076
3.47
1.2974e-05
3.552e-08
d
yr
n .2841517605139786 2.9097e-09 deg/d
Q 2.932363573385279 2.0019e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      22999 days (62.97 yr)  
   first obs. used      1951-11-08  
   last obs. used      2014-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54009  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:27:18  

Additional Information
 Earth MOID = .661283 AU 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO313552  
rotation period rot_per 2.73728 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2013) http://www.asu.cas.cz/~ppravec/neo.htm]

16591 (1992 SY17)          Discovered 1992-Sep-30 by Holt, H. E. at Palomar (675)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 SY17 = 1985 QE 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Nov-26 06:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin