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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1617323821552155 3.2748e-08  
a 2.225106043344284 5.3063e-09 au
q 1.865234342406246 7.1701e-08 au
i 4.638050399179106 2.9901e-06 deg
node 284.6797575783694 4.2903e-05 deg
peri 84.98275823441828 4.3996e-05 deg
M 207.7264768176286 1.0202e-05 deg
tp 2459909.298082090169
(2022-Nov-25.79808209)		 3.5136e-05 TDB
period 1212.340173750131
3.32		 4.3367e-06
1.187e-08		 d
yr
n .2969463586168329 1.0622e-09 deg/d
Q 2.584977744282321 6.1645e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1700  
   data-arc span      11580 days (31.70 yr)  
   first obs. used      1989-09-27  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:39:02  

Additional Information
 Earth MOID = .870672 au 
 Jupiter MOID = 2.90387 au 
 T_jup = 3.625 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.01   n/a E2021B10  
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

Alternate Designations
 1989 TW = 1994 CG 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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