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78703 (2002 TF176)
Classification: Main-belt Asteroid          SPK-ID: 2078703
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441547300038377 4.137e-08  
a 3.044269639400158 1.8182e-08 au
q 2.605423771473548 1.2642e-07 au
i 9.915237034645495 4.5107e-06 deg
node 300.0091922280835 2.4539e-05 deg
peri 87.09918520431835 2.8733e-05 deg
M 115.7627780884092 1.511e-05 deg
tp 2458376.636551832352
(2018-Sep-15.13655183)
8.0628e-05 TDB
period 1940.095469796267
5.31
1.7381e-05
4.759e-08
d
yr
n .1855578787768647 1.6624e-09 deg/d
Q 3.483115507326769 2.0803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      8220 days (22.51 yr)  
   first obs. used      1997-12-06  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:50  

Additional Information
 Earth MOID = 1.63353 au 
 Jupiter MOID = 2.08485 au 
 T_jup = 3.200 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457149.5 (2015-May-07.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421136286933964 4.1145e-08  
q 2.614059363745299 1.2545e-07 au
tp 2456437.731678834017
(2013-May-25.23167883)
8.2459e-05 TDB
node 300.0776531593206 2.4514e-05 deg
peri 87.45329039349561 2.8853e-05 deg
i 9.91623414836635 4.5115e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      8220 days (22.51 yr)  
   first obs. used      1997-12-06  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:50  

Additional Information
 Jupiter MOID = 2.08485 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.692908081500128E-15 -5.121395380545736E-15 -5.920423061982157E-13 -6.961527159970309E-15 -1.623186339809132E-13 -1.309801402955333E-15
q -5.121395380545736E-15 1.573748194397878E-14 1.613770301195352E-12 2.001400757786926E-14 4.765044660767414E-13 4.425259338799061E-15
tp -5.920423061982157E-13 1.613770301195352E-12 6.799480617753971E-9 7.230922726584091E-12 1.269341247208117E-9 -2.565368141317277E-12
node -6.961527159970309E-15 2.001400757786926E-14 7.230922726584091E-12 6.0095810303274E-10 -5.904920645763182E-10 2.340042724996715E-11
peri -1.623186339809132E-13 4.765044660767414E-13 1.269341247208117E-9 -5.904920645763182E-10 8.325214356909629E-10 -2.338000652074624E-11
i -1.309801402955333E-15 4.425259338799061E-15 -2.565368141317277E-12 2.340042724996715E-11 -2.338000652074624E-11 2.035371281212129E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO468741  
diameter diameter 5.586 km 1.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78703 (2002 TF176)          Discovered 2002-Oct-04 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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