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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .279721110988557 4.9681e-08  
a 2.291408299404529 1.5606e-08 AU
q 1.650453024166694 1.1037e-07 AU
i 8.411835895286293 8.7642e-06 deg
node 239.67246263 3.3924e-05 deg
peri 71.721991305382 4.0105e-05 deg
M 181.4783868123083 2.4774e-05 deg
tp 2457628.761506514509
(2016-Aug-28.26150651)
9.1652e-05 JED
period 1266.928627333383
3.47
1.2943e-05
3.544e-08
d
yr
n .2841517605910635 2.903e-09 deg/d
Q 2.932363574642364 1.9972e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      23039 days (63.08 yr)  
   first obs. used      1951-11-08  
   last obs. used      2014-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53919  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:32:07  

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 2015-Jan-29 00:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin