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181228 (2005 TA46)
Classification: Outer Main-belt Asteroid          SPK-ID: 2181228
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05631269295042098 7.1573e-08  
a 3.224322629586909 3.7383e-08 au
q 3.042752339373887 2.4744e-07 au
i 9.331231414023534 7.682e-06 deg
node 177.342644610486 3.119e-05 deg
peri 169.7927532447292 6.1763e-05 deg
M 273.4679673083194 5.6131e-05 deg
tp 2459708.812241502261
(2022-May-09.31224150)
0.00033215 TDB
period 2114.736026054401
5.79
3.6778e-05
1.007e-07
d
yr
n .1702340129286373 2.9606e-09 deg/d
Q 3.40589291979993 3.9488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      1999-10-11  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5398  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:44  

Additional Information
 Earth MOID = 2.03496 au 
 Jupiter MOID = 1.89241 au 
 T_jup = 3.165 
[ 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 15.02   n/a E2021B55  
diameter diameter 4.961 km 0.702 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181228 (2005 TA46)          Discovered 2005-Oct-09 by Ottmarsheim at Ottmarsheim
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 TA46 = 1999 TP183 = 2002 EM123 = 2004 PT77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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