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 ]  
46056 (2001 DD87)
Classification: Main-belt Asteroid          SPK-ID: 2046056
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0919766071735667 6.1763e-08  
a 2.650015953480247 1.9004e-08 au
q 2.406276477123309 1.6235e-07 au
i 13.86737601444142 6.8209e-06 deg
node 305.3462492813109 2.0913e-05 deg
peri 190.3267198190127 3.3713e-05 deg
M 114.3196553258239 2.6707e-05 deg
tp 2458100.131956594158
(2017-Dec-12.63195659)
0.00011646 TDB
period 1575.691381440095
4.31
1.6949e-05
4.64e-08
d
yr
n .2284711360615426 2.4576e-09 deg/d
Q 2.893755429837184 2.0752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      7231 days (19.80 yr)  
   first obs. used      1998-08-17  
   last obs. used      2018-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55223  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:46:25  

Additional Information
 Earth MOID = 1.42221 au 
 Jupiter MOID = 2.17328 au 
 T_jup = 3.343 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO436103  
diameter diameter 3.733 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.201   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46056 (2001 DD87)          Discovered 2001-Feb-23 by JPL/NEAT at Haleakala
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin