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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06884161820192536 4.1892e-08  
a 2.220965642803702 7.2226e-09 au
q 2.068070773982216 9.6306e-08 au
i 4.064070249013475 4.7869e-06 deg
node 9.338546601247693 5.2856e-05 deg
peri 80.61439285638559 6.4042e-05 deg
M 12.77885136420765 3.5023e-05 deg
tp 2458957.585850951178
(2020-Apr-18.08585095)
0.00011762 TDB
period 1208.957927223981
3.31
5.8973e-06
1.615e-08
d
yr
n .2977771119187208 1.4526e-09 deg/d
Q 2.373860511625188 7.7198e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1307  
   data-arc span      10833 days (29.66 yr)  
   first obs. used      1991-03-09  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55441  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:47:21  

Additional Information
 Earth MOID = 1.08911 au 
 Jupiter MOID = 2.72537 au 
 T_jup = 3.643 
[ 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 15.2   n/a MPO502260  
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

[ show close-approach data ]
Alternate Designations
 1991 FT2 = 1994 AT15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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