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78741 (2002 TN272)
Classification: Main-belt Asteroid          SPK-ID: 2078741
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428722351632307 3.8299e-08  
a 3.149349523056123 1.8361e-08 au
q 2.699394917386841 1.2711e-07 au
i 3.988384431420503 4.0422e-06 deg
node 294.2416301182793 7.1449e-05 deg
peri 162.1989276402113 7.3883e-05 deg
M 356.2588334864426 1.7958e-05 deg
tp 2459021.714571208798
(2020-Jun-21.21457121)
0.00010188 TDB
period 2041.407568332243
5.59
1.7852e-05
4.888e-08
d
yr
n .1763489102247755 1.5422e-09 deg/d
Q 3.599304128725406 2.0984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1259  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48926  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:41  

Additional Information
 Earth MOID = 1.71657 au 
 Jupiter MOID = 1.57137 au 
 T_jup = 3.188 
[ 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 13.9   n/a MPO381789  
diameter diameter 9.874 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78741 (2002 TN272)          Discovered 2002-Oct-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 TN272 = 2001 QP40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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