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 ]  
18909 (2000 OE21)
Classification: Main-belt Asteroid          SPK-ID: 2018909
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1868005531299453 3.7079e-08  
a 3.138658956159323 1.7469e-08 au
q 2.552355727062505 1.1567e-07 au
i 6.101340956475495 4.0218e-06 deg
node 182.3214196663801 3.8412e-05 deg
peri 234.8070083679735 3.9918e-05 deg
M 95.73559284709528 1.0188e-05 deg
tp 2458060.385857088676
(2017-Nov-02.88585709)		 5.6825e-05 TDB
period 2031.021960229874
5.56		 1.6956e-05
4.642e-08		 d
yr
n .1772506684069801 1.4798e-09 deg/d
Q 3.724962185256141 2.0732e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      10780 days (29.51 yr)  
   first obs. used      1989-10-25  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4945  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:48:52  

Additional Information
 Earth MOID = 1.56971 au 
 Jupiter MOID = 1.67641 au 
 T_jup = 3.175 
[ 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 13.6   n/a MPO263516  
diameter diameter 10.005 km 0.398 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18909 (2000 OE21)          Discovered 2000-Jul-31 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 OE21 = 1989 UY4 = 2000 RN65 
[ 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-23 00:03 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin