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215678 (2003 WR)
Classification: Main-belt Asteroid          SPK-ID: 2215678
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1942011128744756 5.3867e-08  
a 2.292246314349754 1.4395e-08 au
q 1.847089529120617 1.2983e-07 au
i 6.499557578978544 7.4746e-06 deg
node 63.76661274668257 4.522e-05 deg
peri 280.5845013221586 4.9266e-05 deg
M 326.219696406185 1.8346e-05 deg
tp 2459119.446426518817
(2020-Sep-26.94642652)		 6.4565e-05 TDB
period 1267.623703494903
3.47		 1.1941e-05
3.269e-08		 d
yr
n .2839959516435845 2.6753e-09 deg/d
Q 2.737403099578891 1.7191e-08 au
   Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6687 days (18.31 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:12:42  

Additional Information
 Earth MOID = .853371 au 
 Jupiter MOID = 2.69321 au 
 T_jup = 3.564 
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[ 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

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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 14 CATAB v2.0f-lin.ifort 2020-Aug-25 15:12:44 2020-Aug-25 15:12
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