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 ]  
160155 (2001 QP138)
Classification: Main-belt Asteroid          SPK-ID: 2160155
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606437190539957 3.9948e-08  
a 2.281794793331868 8.0816e-09 au
q 1.915238791612993 9.3029e-08 au
i 7.065795186508376 4.157e-06 deg
node 235.5677380767125 3.4171e-05 deg
peri 132.921298315059 3.6775e-05 deg
M 48.40231179282252 1.2738e-05 deg
tp 2458431.231202775064
(2018-Nov-08.73120278)
4.4395e-05 TDB
period 1258.963978039025
3.45
6.6884e-06
1.831e-08
d
yr
n .2859494046531336 1.5191e-09 deg/d
Q 2.648350795050743 9.3798e-09 au
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      6363 days (17.42 yr)  
   first obs. used      2001-08-22  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53574  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:12:21  

Additional Information
 Earth MOID = .922523 au 
 Jupiter MOID = 2.84136 au 
 T_jup = 3.578 
[ 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 16.4   n/a MPO454058  

160155 (2001 QP138)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin