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 ]  
185459 (2007 AD8)
Classification: Main-belt Asteroid          SPK-ID: 2185459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03040954442486547 5.475e-08  
a 3.176280594546463 3.3669e-08 au
q 3.079691348700765 1.6676e-07 au
i 9.814151239044353 6.0251e-06 deg
node 122.2854674324742 3.4451e-05 deg
peri 93.56539359496819 0.00010694 deg
M 42.43630811074839 0.00010088 deg
tp 2458756.768415416731
(2019-Sep-30.26841542)
0.00057937 TDB
period 2067.64853862848
5.66
3.2876e-05
9.001e-08
d
yr
n .1741108284480478 2.7684e-09 deg/d
Q 3.272869840392163 3.4693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      8476 days (23.21 yr)  
   first obs. used      1996-02-18  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56786  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:52:43  

Additional Information
 Earth MOID = 2.09206 au 
 Jupiter MOID = 1.77609 au 
 T_jup = 3.177 
[ 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 15.1   n/a MPO433216  
diameter diameter 5.314 km 1.796 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185459 (2007 AD8)          Discovered 2007-Jan-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ 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-Jun-03 04:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin