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 ]  
150737 (2001 QA55)
Classification: Main-belt Asteroid          SPK-ID: 2150737
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182303100709002 3.6807e-08  
a 2.408253887468031 1.0967e-08 au
q 1.969221736488101 8.6197e-08 au
i 3.522076479809254 3.9123e-06 deg
node 119.6529443817053 9.7662e-05 deg
peri 174.35717920068 9.9203e-05 deg
M 88.31247163118884 1.8635e-05 deg
tp 2458865.633756108661
(2020-Jan-17.13375611)
6.9997e-05 TDB
period 1365.06028621112
3.74
9.3242e-06
2.553e-08
d
yr
n .2637246161480685 1.8014e-09 deg/d
Q 2.847286038447961 1.2966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      21992 days (60.21 yr)  
   first obs. used      1960-10-26  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:19:49  

Additional Information
 Earth MOID = .951218 au 
 Jupiter MOID = 2.34409 au 
 T_jup = 3.496 
[ 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 16.8   n/a MPO532789  

150737 (2001 QA55)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2001 QA55 = 2005 SS34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-15 19:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin