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 ]  
181140 (2005 QW165)
Classification: Main-belt Asteroid          SPK-ID: 2181140
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08575777561345456 4.0511e-08  
a 3.106512278513283 2.565e-08 au
q 2.840104695592099 1.3602e-07 au
i 5.314034055435722 5.0504e-06 deg
node 95.81225016538728 4.7804e-05 deg
peri 258.3577197200622 5.8617e-05 deg
M 301.0331773754002 3.6223e-05 deg
tp 2459528.076896991826
(2021-Nov-09.57689699)
0.00020371 TDB
period 1999.898886664116
5.48
2.4769e-05
6.781e-08
d
yr
n .1800091006603287 2.2294e-09 deg/d
Q 3.372919861434466 2.7849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53913  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:22  

Additional Information
 Earth MOID = 1.83939 au 
 Jupiter MOID = 2.02178 au 
 T_jup = 3.208 
[ 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 15.14   n/a E2021B55  
diameter diameter 6.147 km 0.334 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181140 (2005 QW165)          Discovered 2005-Aug-31 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ 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 2021-May-14 21:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin