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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157958839632428 5.5309e-08  
a 2.31561058618009 1.3015e-08 au
q 2.047472411438723 1.3176e-07 au
i 6.803327171734424 6.6275e-06 deg
node 48.05516164646971 5.1086e-05 deg
peri 17.93653851233438 5.9901e-05 deg
M 77.73011784613354 3.2853e-05 deg
tp 2457122.603202635676
(2015-Apr-10.10320264)
0.00011725 JED
period 1287.053845064162
3.52
1.0851e-05
2.971e-08
d
yr
n .279708577368846 2.3582e-09 deg/d
Q 2.583748760921456 1.4522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      13179 days (36.08 yr)  
   first obs. used      1979-11-17  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51564  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:37:12  

Additional Information
 Earth MOID = 1.06098 au 
 Jupiter MOID = 2.69814 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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