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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1225924390857371 1.7073e-08  
a 3.0986982805361 1.5148e-08 au
q 2.7188213003344 5.5702e-08 au
i 2.294598071468132 1.1076e-06 deg
node 114.9787093947883 1.0116e-05 deg
peri 348.0851490636658 1.3281e-05 deg
M 204.7594493348718 1.1074e-05 deg
tp 2460059.652063318096
(2023-Apr-25.15206332)
6.4578e-05 TDB
period 1992.357933989162
5.45
1.461e-05
4e-08
d
yr
n .1806904240741505 1.325e-09 deg/d
Q 3.4785752607378 1.7005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1977  
   data-arc span      11233 days (30.75 yr)  
   first obs. used      1989-09-29  
   last obs. used      2020-07-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46283  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:52:19  

Additional Information
 Earth MOID = 1.73559 au 
 Jupiter MOID = 1.65402 au 
 T_jup = 3.210 
[ 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

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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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