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187284 (2005 TT68)
Classification: Main-belt Asteroid          SPK-ID: 2187284
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136655634522231 5.1812e-08  
a 3.178171183200006 3.1028e-08 au
q 2.499105446593958 1.566e-07 au
i 9.084310142392301 7.1752e-06 deg
node 178.1525405904334 3.8762e-05 deg
peri 285.1507099452587 4.302e-05 deg
M 181.1370157833434 1.863e-05 deg
tp 2460228.711192021138
(2023-Oct-11.21119202)
0.00011464 TDB
period 2069.494874798914
5.67
3.0307e-05
8.298e-08
d
yr
n .1739554924169503 2.5475e-09 deg/d
Q 3.857236919806054 3.7658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      6735 days (18.44 yr)  
   first obs. used      2000-12-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:51:31  

Additional Information
 Earth MOID = 1.53449 au 
 Jupiter MOID = 1.44454 au 
 T_jup = 3.145 
[ 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 15.8   n/a MPO436926  

187284 (2005 TT68)          Discovered 2005-Oct-06 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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