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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457028.5 (2015-Jan-06.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1412598980356656 3.8523e-08  
q 2.705453772150288 1.2762e-07 au
tp 2456986.954500986114
(2014-Nov-25.45450099)
9.9978e-05 TDB
node 294.4012857267842 7.1106e-05 deg
peri 163.1948128732153 7.3563e-05 deg
i 3.993126570772907 4.0448e-06 deg
  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
 Jupiter MOID = 1.57137 au 
 T_jup = 3.188 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.484048794225157E-15 -4.883417614172582E-15 -2.637165964992709E-13 -5.801997628544055E-15 -1.335310956257502E-14 -8.822121628302941E-16
q -4.883417614172582E-15 1.628713097486893E-14 8.527728507340723E-13 2.123476101101331E-14 3.876772197115339E-14 3.130401487066642E-15
tp -2.637165964992709E-13 8.527728507340723E-13 9.995539179902677E-9 5.189321841211103E-12 1.923047833208276E-9 1.590832085464208E-12
node -5.801997628544055E-15 2.123476101101331E-14 5.189321841211103E-12 5.055995297278258E-9 -5.042385813225627E-9 -1.793089269542609E-12
peri -1.335310956257502E-14 3.876772197115339E-14 1.923047833208276E-9 -5.042385813225627E-9 5.411582073417083E-9 2.090763816758065E-12
i -8.822121628302941E-16 3.130401487066642E-15 1.590832085464208E-12 -1.793089269542609E-12 2.090763816758065E-12 1.636056386203498E-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 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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