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11609 (1995 XT)
Classification: Main-belt Asteroid          SPK-ID: 2011609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1258585932315669 3.4845e-08  
a 3.088112160324862 1.6541e-08 au
q 2.69944670808508 1.0518e-07 au
i 2.291531841695624 3.9975e-06 deg
node 115.0193123939625 9.6376e-05 deg
peri 346.6152999710109 9.7673e-05 deg
M 97.72012566334004 1.6762e-05 deg
tp 2458062.453833827509
(2017-Nov-04.95383383)
9.075e-05 TDB
period 1982.156884339359
5.43
1.5926e-05
4.36e-08
d
yr
n .181620336333764 1.4592e-09 deg/d
Q 3.476777612564645 1.8623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1830  
   data-arc span      10816 days (29.61 yr)  
   first obs. used      1989-09-29  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45394  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:56:36  

Additional Information
 Earth MOID = 1.71655 au 
 Jupiter MOID = 1.66421 au 
 T_jup = 3.212 
[ 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 13.1   n/a MPO449026  
diameter diameter 12.244 km 0.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11609 (1995 XT)          Discovered 1995-Dec-12 by Kobayashi, T. at Oizumi
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 XT = 1989 TU8 = 1994 RA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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