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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547258336212202 6.218e-08  
a 3.161029073428727 3.5335e-08 au
q 2.671936214941554 2.0639e-07 au
i 9.765665522072267 7.0166e-06 deg
node 223.0005758681255 3.6932e-05 deg
peri 357.7363674202603 4.4272e-05 deg
M 348.9171078918906 2.0986e-05 deg
tp 2459459.696316709165
(2021-Sep-02.19631671)
0.00011958 TDB
period 2052.774112873726
5.62
3.4419e-05
9.423e-08
d
yr
n .1753724375917951 2.9405e-09 deg/d
Q 3.6501219319159 4.0802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1999-05-20  
   last obs. used      2021-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52231  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:08:25  

Additional Information
 Earth MOID = 1.66438 au 
 Jupiter MOID = 1.33306 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457797.5 (2017-Feb-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1556317795409213 6.22e-08  
q 2.668611340688295 2.0631e-07 au
tp 2457403.741025866970
(2016-Jan-16.24102587)
0.00012557 TDB
node 223.0323530765087 3.6931e-05 deg
peri 357.3314050658998 4.4179e-05 deg
i 9.766645701840069 7.0179e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1999-05-20  
   last obs. used      2021-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52231  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:08:25  

Additional Information
 Jupiter MOID = 1.33306 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.868793325234729E-15 -1.270860787532328E-14 -7.567165646758901E-13 1.220802929328976E-14 -1.182434661132222E-13 -1.10436994325132E-14
q -1.270860787532328E-14 4.256211105255676E-14 1.152544295729759E-12 -3.528592089405584E-14 1.612264738637446E-13 3.580244052846846E-14
tp -7.567165646758901E-13 1.152544295729759E-12 1.576781243198626E-8 2.104807422419214E-11 3.089945276610586E-9 1.207876569021286E-11
node 1.220802929328976E-14 -3.528592089405584E-14 2.104807422419214E-11 1.363906244129262E-9 -1.339078129586481E-9 -7.508469663748457E-11
peri -1.182434661132222E-13 1.612264738637446E-13 3.089945276610586E-9 -1.339078129586481E-9 1.951807368070986E-9 7.633720874507307E-11
i -1.10436994325132E-14 3.580244052846846E-14 1.207876569021286E-11 -7.508469663748457E-11 7.633720874507307E-11 4.925096107993295E-11

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 16.56   n/a MPCxxxxx  
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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