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 ]  
183485 (2003 DY18)
Classification: Main-belt Asteroid          SPK-ID: 2183485
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02549152675855328 5.7425e-08  
a 2.979465005995154 3.4063e-08 au
q 2.903513894068655 1.6437e-07 au
i 12.63648458721596 5.6972e-06 deg
node 342.4505543734426 2.7885e-05 deg
peri 169.5367560479576 0.00011629 deg
M 164.5648888444771 0.00011266 deg
tp 2458341.801824121783
(2018-Aug-11.30182412)
0.0005875 TDB
period 1878.476906506493
5.14
3.2213e-05
8.819e-08
d
yr
n .1916446237657038 3.2864e-09 deg/d
Q 3.055416117921653 3.4931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      8167 days (22.36 yr)  
   first obs. used      1998-03-04  
   last obs. used      2020-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:34:47  

Additional Information
 Earth MOID = 1.9129 au 
 Jupiter MOID = 1.92953 au 
 T_jup = 3.223 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457643.5 (2016-Sep-12.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0251073459902321 5.8658e-08  
q 2.902388157537014 1.6849e-07 au
tp 2458308.735356649556
(2018-Jul-09.23535665)
0.00057943 TDB
node 342.6261449087744 2.7965e-05 deg
peri 162.9397129620244 0.00011495 deg
i 12.62031985393585 5.6878e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      8167 days (22.36 yr)  
   first obs. used      1998-03-04  
   last obs. used      2020-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:34:47  

Additional Information
 Jupiter MOID = 1.92953 au 
 T_jup = 3.223 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.440727293057504E-15 -9.713132417201075E-15 -8.954400745498455E-12 -2.425676305838373E-15 -1.741948617657983E-12 -1.145843986936754E-15
q -9.713132417201075E-15 2.838903642170015E-14 2.838450762900445E-11 5.95895690679442E-15 5.455831243753977E-12 5.138486820536323E-15
tp -8.954400745498455E-12 2.838450762900445E-11 3.357377867989561E-7 4.52551768101058E-11 6.465268961410775E-8 8.516352235898394E-12
node -2.425676305838373E-15 5.95895690679442E-15 4.52551768101058E-11 7.820519211647686E-10 -7.539663878282222E-10 -4.966458975807341E-11
peri -1.741948617657983E-12 5.455831243753977E-12 6.465268961410775E-8 -7.539663878282222E-10 1.32139124592775E-8 5.010215419947199E-11
i -1.145843986936754E-15 5.138486820536323E-15 8.516352235898394E-12 -4.966458975807341E-11 5.010215419947199E-11 3.235098340140054E-11

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 15.42   n/a E2021B55  
diameter diameter 5.432 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

183485 (2003 DY18)          Discovered 2003-Feb-21 by NEAT at Palomar
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 2021-Mar-03 00:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin