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JPL Small-Body Database Browser
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201785 (2003 WF124)
Classification: Main-belt Asteroid          SPK-ID: 2201785
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09588544908701548 5.1463e-08  
a 3.107341690814543 4.0892e-08 au
q 2.809392837323984 1.7718e-07 au
i 19.65958845011216 9.1234e-06 deg
node 63.99758917511787 1.6992e-05 deg
peri 78.53055824532922 6.5388e-05 deg
M 242.203402563767 5.9435e-05 deg
tp 2459255.154549042193
(2021-Feb-09.65454904)
0.00033274 TDB
period 2000.699874058484
5.48
3.9493e-05
1.081e-07
d
yr
n .1799370333690922 3.5519e-09 deg/d
Q 3.405290544305101 4.4813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      6265 days (17.15 yr)  
   first obs. used      2002-10-08  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58777  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:37:41  

Additional Information
 Earth MOID = 1.90251 au 
 Jupiter MOID = 1.89118 au 
 T_jup = 3.123 
[ 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 15.1   n/a MPO503056  
diameter diameter 5.678 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201785 (2003 WF124)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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