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 ]  
160164 (2001 TW252)
Classification: Jupiter Trojan          SPK-ID: 2160164
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03898748248736551 5.9841e-08  
a 5.18764270006261 1.5318e-07 au
q 4.98538957114321 2.8417e-07 au
i 9.832206893866539 9.2263e-06 deg
node 45.8767906353534 4.1817e-05 deg
peri 74.85505962953988 0.00016798 deg
M 74.40034128300002 0.00015709 deg
tp 2457708.579926387000
(2016-Nov-16.07992639)		 0.0018936 TDB
period 4315.722494865049
11.82		 0.00019115
5.233e-07		 d
yr
n .08341592871838648 3.6947e-09 deg/d
Q 5.38989582898201 1.5915e-07 au
   Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      8801 days (24.10 yr)  
   first obs. used      1995-04-05  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:33:02  

Additional Information
 Earth MOID = 4.01838 au 
 Jupiter MOID = .159749 au 
 T_jup = 2.969 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO436808  

160164 (2001 TW252)          Discovered 2001-Oct-14 by Sloan Digital Sky Survey at Apache Point
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin