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351556 (2005 TW146)
Classification: Main-belt Asteroid          SPK-ID: 2351556
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02111003649908665 9.7803e-08  
a 3.184481018857388 5.5732e-08 au
q 3.11725650831866 3.0391e-07 au
i 10.22848375448201 7.835e-06 deg
node 45.06830165592783 4.8462e-05 deg
peri 145.8641454723989 0.00018597 deg
M 39.96537230267771 0.00017717 deg
tp 2458770.070654612762
(2019-Oct-13.57065461)
0.0010234 TDB
period 2075.660992499939
5.68
5.449e-05
1.492e-07
d
yr
n .1734387268926867 4.5531e-09 deg/d
Q 3.251705529396117 5.6909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      5321 days (14.57 yr)  
   first obs. used      2005-09-29  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:53:57  

Additional Information
 Earth MOID = 2.11719 au 
 Jupiter MOID = 1.71754 au 
 T_jup = 3.173 
[ 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 MPO434219  

351556 (2005 TW146)          Discovered 2005-Oct-08 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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