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17549 (1993 TW12)
Classification: Main-belt Asteroid          SPK-ID: 2017549
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161644556715607 4.5136e-08  
a 2.315190414255582 1.1186e-08 au
q 2.046247580007567 1.0476e-07 au
i 6.8053798663532 5.9551e-06 deg
node 48.03672218839635 4.9958e-05 deg
peri 17.90545399645339 5.8759e-05 deg
M 133.6935886508912 3.227e-05 deg
tp 2457122.655512259294
(2015-Apr-10.15551226)
0.00011509 JED
period 1286.703553420602
3.52
9.3251e-06
2.553e-08
d
yr
n .2797847251163391 2.0277e-09 deg/d
Q 2.584133248503596 1.2485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      13297 days (36.41 yr)  
   first obs. used      1979-11-17  
   last obs. used      2016-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50899  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:27:50  

Additional Information
 Earth MOID = 1.05903 au 
 Jupiter MOID = 2.69704 au 
 T_jup = 3.563 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO309291  

17549 (1993 TW12)          Discovered 1993-Oct-13 by Holt, H. E. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TW12 = 1979 WY5 = 1999 KV11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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