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215682 (2003 WD155)
Classification: Main-belt Asteroid          SPK-ID: 2215682
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014575741955245 5.4336e-08  
a 2.4148852063086 1.3129e-08 au
q 2.169876811315871 1.3202e-07 au
i 6.31751223792792 5.0319e-06 deg
node 147.2552514212076 4.4958e-05 deg
peri 256.7906223625729 5.1001e-05 deg
M 158.8335028333196 2.4839e-05 deg
tp 2458395.740392735228
(2018-Oct-04.24039274)
9.2387e-05 TDB
period 1370.702369032226
3.75
1.1178e-05
3.06e-08
d
yr
n .2626390733198887 2.1419e-09 deg/d
Q 2.65989360130133 1.4461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      8515 days (23.31 yr)  
   first obs. used      1997-01-31  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:40:31  

Additional Information
 Earth MOID = 1.18863 au 
 Jupiter MOID = 2.6739 au 
 T_jup = 3.502 
[ 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 16.3   n/a MPO454549  

215682 (2003 WD155)          Discovered 2003-Nov-26 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2003 WD155 = 1999 TU234 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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