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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428722352012206 3.8169e-08  
a 3.149349523058691 1.8297e-08 au
q 2.699394917269398 1.2661e-07 au
i 3.988384437529564 4.0416e-06 deg
node 294.2416296853231 7.1277e-05 deg
peri 162.1989280631689 7.3715e-05 deg
M 356.2588334992115 1.7928e-05 deg
tp 2459021.714571136417
(2020-Jun-21.21457114)
0.00010171 TDB
period 2041.40756833474
5.59
1.779e-05
4.871e-08
d
yr
n .1763489102245598 1.5368e-09 deg/d
Q 3.599304128847985 2.0911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1263  
   data-arc span      7909 days (21.65 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48856  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:56  

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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