Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
15789 (1993 SC)
Classification: TransNeptunian Object          SPK-ID: 2015789
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1884559657103525 7.1853e-05  
a 39.52897543440545 0.0054731 au
q 32.07950419537377 0.0018765 au
i 5.148884257396923 0.0002376 deg
node 354.5343859872752 0.00055331 deg
peri 316.8491401442126 0.021276 deg
M 71.59111140023649 0.028266 deg
tp 2440948.373529383964
(1970-Dec-27.87352938)
3.4155 TDB
period 90776.1508700409
248.53
18.853
0.05162
d
yr
n .003965799348723121 8.2364e-07 deg/d
Q 46.97844667343713 0.0065045 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      5839 days (15.99 yr)  
   first obs. used      1993-09-23  
   last obs. used      2009-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .56876  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 05:12:01  

Additional Information
 Earth MOID = 31.0673 au 
 Jupiter MOID = 27.0022 au 
 T_jup = 5.523 
[ 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 7.0   n/a MPO229164  
diameter diameter 328 km 60 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)  
geometric albedo albedo 0.022   0.010 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)  

15789 (1993 SC)          Discovered 1993-Sep-17 by Williams, I. P., Fitzsimmons, A., O'Ceallaigh, D. at La Palma
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-09 11:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin