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 ]  
18491 (1996 DP2)
Classification: Main-belt Asteroid          SPK-ID: 2018491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204986810269338 2.7642e-08  
a 2.321413143789337 6.9542e-09 au
q 2.041685921844134 6.4436e-08 au
i 7.25583410265716 2.9655e-06 deg
node 130.1466970640535 2.7265e-05 deg
peri 51.24959991170236 3.0923e-05 deg
M 352.4541514335829 1.5102e-05 deg
tp 2459227.579002980035
(2021-Jan-13.07900298)
5.4242e-05 TDB
period 1291.894607612215
3.54
5.8052e-06
1.589e-08
d
yr
n .2786605020864522 1.2522e-09 deg/d
Q 2.60114036573454 7.7922e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1723  
   data-arc span      25939 days (71.02 yr)  
   first obs. used      1950-03-17  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49343  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:44:06  

Additional Information
 Earth MOID = 1.05404 au 
 Jupiter MOID = 2.37277 au 
 T_jup = 3.557 
[ 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 14.79   n/a E2021B10  
diameter diameter 3.058 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.491   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18491 (1996 DP2)          Discovered 1996-Feb-23 by Kobayashi, T. at Oizumi
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 DP2 = 2000 KO80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-21 08:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin