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11892 (1991 FT2)
Classification: Main-belt Asteroid          SPK-ID: 2011892
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06889278272337021 2.9677e-08  
a 2.22050306485995 5.6127e-09 au
q 2.067526429675976 6.6267e-08 au
i 4.064513770818459 4.6853e-06 deg
node 9.33442522438629 4.3741e-05 deg
peri 80.39383968470743 5.5568e-05 deg
M 130.9285831179683 3.4257e-05 deg
tp 2458956.950834789464
(2020-Apr-17.45083479)
0.00011478 TDB
period 1208.58024815879
3.31
4.5824e-06
1.255e-08
d
yr
n .297870166708782 1.1294e-09 deg/d
Q 2.373479700043925 5.9994e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1599  
   data-arc span      11068 days (30.30 yr)  
   first obs. used      1991-03-09  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:39:06  

Additional Information
 Earth MOID = 1.08857 au 
 Jupiter MOID = 2.72525 au 
 T_jup = 3.643 
[ 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 15.16   n/a E2021B10  
diameter diameter 2.832 km 0.380 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.201   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11892 (1991 FT2)          Discovered 1991-Mar-20 by Debehogne, H. at La Silla
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 FT2 = 1994 AT15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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