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
JPL Small-Body Database Browser
Search: [ help ]  
31556 Shatner (1999 EP5)
Classification: Main-belt Asteroid          SPK-ID: 2031556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190365124573482 3.9481e-08  
a 2.694143346606356 1.2901e-08 au
q 2.104027583905531 1.0642e-07 au
i 4.798901112126709 4.3684e-06 deg
node 149.8922077571067 4.5709e-05 deg
peri 170.800525547282 4.6607e-05 deg
M 154.3075485577918 8.6374e-06 deg
tp 2458308.168411974180
(2018-Jul-08.66841197)
3.8569e-05 TDB
period 1615.211789823421
4.42
1.1602e-05
3.176e-08
d
yr
n .2228809882816395 1.6009e-09 deg/d
Q 3.284259109307181 1.5727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1130  
   data-arc span      11871 days (32.50 yr)  
   first obs. used      1987-08-21  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:00:24  

Additional Information
 Earth MOID = 1.09149 au 
 Jupiter MOID = 2.04855 au 
 T_jup = 3.331 
[ 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 14.8   n/a MPO449193  

31556 Shatner           Discovered 1999 Mar. 13 by R. A. Tucker at Goodricke-Pigott.
William Shatner (b. 1931) is a Canadian actor. Best known for portraying Captain James Tiberius Kirk in "Star Trek", he has attained the status of cultural icon. His character has inspired people to become writers, researchers, pilots and astronauts. Shatner is also a well-known author and director.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-06-09Last Updated: 2017-06-12

[ show close-approach data ]
Alternate Designations
 1999 EP5 = 1987 QB2 = 1991 LF4 = 1996 TM38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-25 03:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin