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15290 (1991 TF1)
Classification: Main-belt Asteroid          SPK-ID: 2015290
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355731829440338 7.7727e-08  
a 3.178838097009289 3.9811e-08 AU
q 2.747872898133984 2.5888e-07 AU
i 17.69015286209378 7.9924e-06 deg
node 170.5294366775404 2.554e-05 deg
peri 276.1086755087335 4.2074e-05 deg
M 349.2525415601995 2.9923e-05 deg
tp 2457062.302253957096
(2015-Feb-08.80225396)
0.0001719 JED
period 2070.14630939737
5.67
3.889e-05
1.065e-07
d
yr
n .1739007520221109 3.2669e-09 deg/d
Q 3.609803295884594 4.5209e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      737  
   data-arc span      8556 days (23.43 yr)  
   first obs. used      1991-10-12  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51254  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:52:06  

Additional Information
 Earth MOID = 1.83381 AU 
 T_jup = 3.112 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO319275  

15290 (1991 TF1)          Discovered 1991-Oct-12 by McNaught, R. H. at Siding Spring
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 TF1 = 1999 CU4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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