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 ]  
215678 (2003 WR)
Classification: Main-belt Asteroid          SPK-ID: 2215678
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1942011148122416 5.3525e-08  
a 2.292246312756811 1.3313e-08 au
q 1.847089523395188 1.2934e-07 au
i 6.499555994462398 4.1996e-06 deg
node 63.76660950954939 4.4392e-05 deg
peri 280.5845020975127 4.7563e-05 deg
M 326.2196996397044 1.2843e-05 deg
tp 2459119.446415009034
(2020-Sep-26.94641501)
4.4737e-05 TDB
period 1267.623702173545
3.47
1.1043e-05
3.023e-08
d
yr
n .283995951939619 2.4741e-09 deg/d
Q 2.737403102118434 1.5899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      6770 days (18.54 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56676  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:40:32  

Additional Information
 Earth MOID = .853371 au 
 Jupiter MOID = 2.69321 au 
 T_jup = 3.564 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457559.5 (2016-Jun-20.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940968977367085 5.3597e-08  
q 1.846699122834134 1.2948e-07 au
tp 2457853.288007672589
(2017-Apr-09.78800767)
5.0886e-05 TDB
node 63.77425834591146 4.4373e-05 deg
peri 280.8601711591479 4.7548e-05 deg
i 6.501553304477778 4.2009e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      6770 days (18.54 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56676  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:40:32  

Additional Information
 Jupiter MOID = 2.69321 au 
 T_jup = 3.564 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.872587332338418E-15 -6.924161222533742E-15 8.392213374581881E-13 2.769931973334378E-14 2.659382876989137E-13 -1.854833862248725E-14
q -6.924161222533742E-15 1.676562515560394E-14 -2.269687756769481E-12 -6.340060053740281E-14 -7.275161704516207E-13 4.475016762083032E-14
tp 8.392213374581881E-13 -2.269687756769481E-12 2.589341564316164E-9 1.400749604651108E-12 8.919421128875896E-10 -2.493347815064799E-12
node 2.769931973334378E-14 -6.340060053740281E-14 1.400749604651108E-12 1.968980693500994E-9 -1.955337874217681E-9 -9.980241389376663E-12
peri 2.659382876989137E-13 -7.275161704516207E-13 8.919421128875896E-10 -1.955337874217681E-9 2.260851217652233E-9 9.058237314034794E-12
i -1.854833862248725E-14 4.475016762083032E-14 -2.493347815064799E-12 -9.980241389376663E-12 9.058237314034794E-12 1.764771016115591E-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 17.0   n/a MPO268204  

215678 (2003 WR)          Discovered 2003-Nov-16 by CSS at Catalina
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2025-Jan-30 08:56 < 00:01 Eunom 0.0281720512104717 0.0281689936274146 0.0281751091185816 5.86394628845004 5.86394620347617 2460705.872090840 0.661333851786794 219.176388362806 43.9384632924766 -47.1860083872846 71528.0319962458 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 03:40:33 2020-Nov-12 03:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 13:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin