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 ]  
390964 (2005 QA27)
Classification: Main-belt Asteroid          SPK-ID: 2390964
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029070683285339 7.116e-08  
a 3.035913807341756 4.1948e-08 au
q 2.419905436995923 2.1329e-07 au
i 8.68893177652329 1.1107e-05 deg
node 24.20970923235521 4.548e-05 deg
peri 298.4443400581267 5.2715e-05 deg
M 231.1932183345555 2.9642e-05 deg
tp 2459291.803588544523
(2021-Mar-18.30358854)
0.00016972 TDB
period 1932.11326809195
5.29
4.0044e-05
1.096e-07
d
yr
n .1863244800112141 3.8617e-09 deg/d
Q 3.651922177687589 5.0459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4988 days (13.66 yr)  
   first obs. used      2005-08-27  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:33:58  

Additional Information
 Earth MOID = 1.42215 au 
 Jupiter MOID = 1.7802 au 
 T_jup = 3.193 
[ 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 16.1   n/a MPO434442  
diameter diameter 3.155 km 0.669 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390964 (2005 QA27)          Discovered 2005-Aug-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ 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 2020-Jan-19 07:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin