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382272 (2012 TT181)
Classification: Main-belt Asteroid          SPK-ID: 2382272
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550711051273891 7.5031e-08  
a 3.162317478141037 5.3939e-08 au
q 2.671933412042048 2.2875e-07 au
i 9.764511237867131 8.4118e-06 deg
node 223.0155573092867 4.4233e-05 deg
peri 357.6528180095091 5.0611e-05 deg
M 279.5789563649803 2.4897e-05 deg
tp 2459459.353272514588
(2021-Sep-01.85327251)
0.00014627 TDB
period 2054.029276900852
5.62
5.2553e-05
1.439e-07
d
yr
n .1752652720428469 4.4842e-09 deg/d
Q 3.652701544240026 6.2303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      6702 days (18.35 yr)  
   first obs. used      1999-05-20  
   last obs. used      2017-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55513  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:37:42  

Additional Information
 Earth MOID = 1.66385 au 
 Jupiter MOID = 1.33279 au 
 T_jup = 3.163 
[ 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 16.4   n/a MPO418952  
diameter diameter 2.698 km 0.811 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.127   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

382272 (2012 TT181)          Discovered 1999-May-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2012 TT181 = 1999 KE6 = 2007 VC78 = 2010 BW46 = 2010 NC109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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