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180903 (2005 JW178)
Classification: Main-belt Asteroid          SPK-ID: 2180903
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09358492874484275 5.4458e-08  
a 3.049150657690355 3.5845e-08 au
q 2.763796110658113 1.7058e-07 au
i 14.9977648147196 6.8836e-06 deg
node 41.47205016921013 2.2615e-05 deg
peri 280.7776205606527 4.429e-05 deg
M 234.3308831789919 4.2562e-05 deg
tp 2459879.379686629673
(2022-Oct-26.87968663)
0.00023459 TDB
period 1944.763306761987
5.32
3.4293e-05
9.389e-08
d
yr
n .1851125012222679 3.2642e-09 deg/d
Q 3.334505204722597 3.9199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6780 days (18.56 yr)  
   first obs. used      2001-08-18  
   last obs. used      2020-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:25  

Additional Information
 Earth MOID = 1.80117 au 
 Jupiter MOID = 1.99799 au 
 T_jup = 3.179 
[ 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 15.33   n/a E2021B55  
diameter diameter 5.205 km 0.319 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180903 (2005 JW178)          Discovered 2005-May-13 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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