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268178 (2004 XW67)
Classification: Main-belt Asteroid          SPK-ID: 2268178
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .224373876852867 4.958e-08  
a 3.113745637616309 3.4319e-08 au
q 2.415102457370635 1.6047e-07 au
i 1.987713985836466 6.9894e-06 deg
node 193.2369626282619 0.00018814 deg
peri 233.5038449561391 0.00018897 deg
M 236.2887255632845 1.9572e-05 deg
tp 2459290.151849353649
(2021-Mar-16.65184935)
0.00011613 TDB
period 2006.887948554102
5.49
3.318e-05
9.084e-08
d
yr
n .1793822122751638 2.9657e-09 deg/d
Q 3.812388817861982 4.202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      7581 days (20.76 yr)  
   first obs. used      1998-09-25  
   last obs. used      2019-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:38:22  

Additional Information
 Earth MOID = 1.42934 au 
 Jupiter MOID = 1.51452 au 
 T_jup = 3.178 
[ 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 16.3   n/a MPO440316  
diameter diameter 3.671 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268178 (2004 XW67)          Discovered 2004-Dec-03 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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