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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1429540410930695 3.0569e-08  
a 3.14955305744363 1.5037e-08 au
q 2.699311720245031 9.7342e-08 au
i 3.98825632827316 3.8672e-06 deg
node 294.2416139073898 6.0386e-05 deg
peri 162.1511405104019 6.3185e-05 deg
M 31.56033476863493 1.691e-05 deg
tp 2459021.517355462248
(2020-Jun-21.01735546)
9.58e-05 TDB
period 2041.605467937738
5.59
1.4621e-05
4.003e-08
d
yr
n .1763318161386207 1.2628e-09 deg/d
Q 3.599794394642229 1.7187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1523  
   data-arc span      8035 days (22.00 yr)  
   first obs. used      1999-03-22  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:31:25  

Additional Information
 Earth MOID = 1.71627 au 
 Jupiter MOID = 1.57103 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 13.92   n/a MPCxxxxx  
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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