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11867 (1989 TW)
Classification: Main-belt Asteroid          SPK-ID: 2011867
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1612322550590493 3.3546e-08  
a 2.225212109650077 5.6783e-09 au
q 1.866436143226491 7.334e-08 au
i 4.638175491235726 3.6827e-06 deg
node 284.6875871732308 4.5133e-05 deg
peri 84.95067968149658 4.6879e-05 deg
M 331.4481666335442 1.1569e-05 deg
tp 2458696.658360169938
(2019-Aug-01.15836017)		 3.9023e-05 TDB
period 1212.426859490135
3.32		 4.6408e-06
1.271e-08		 d
yr
n .2969251276331766 1.1365e-09 deg/d
Q 2.583988076073663 6.5938e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1372  
   data-arc span      11025 days (30.18 yr)  
   first obs. used      1989-09-27  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:20:03  

Additional Information
 Earth MOID = .871826 au 
 Jupiter MOID = 2.89967 au 
 T_jup = 3.625 
[ 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 15.0   n/a MPO395116  
diameter diameter 3.085 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.223   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11867 (1989 TW)          Discovered 1989-Oct-04 by Suzuki, K., Furuta, T. at Toyota
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

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