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78655 (2002 TA73)
Classification: Main-belt Asteroid          SPK-ID: 2078655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06492337068070411 4.2821e-08  
a 2.684624433251907 1.4445e-08 au
q 2.510329566033418 1.1425e-07 au
i 8.410026418556386 4.0952e-06 deg
node 261.0459462801156 3.0994e-05 deg
peri 310.2209750924849 4.6571e-05 deg
M 221.0039714117202 3.7349e-05 deg
tp 2459820.831200923604
(2022-Aug-29.33120092)
0.000168 TDB
period 1606.659086598736
4.40
1.2967e-05
3.55e-08
d
yr
n .2240674471658531 1.8085e-09 deg/d
Q 2.858919300470395 1.5383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1998-11-24  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:31:05  

Additional Information
 Earth MOID = 1.51082 au 
 Jupiter MOID = 2.16496 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457631.5 (2016-Aug-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06469830439183552 4.2913e-08  
q 2.510722300277823 1.1438e-07 au
tp 2458219.865850231482
(2018-Apr-11.36585023)
0.00016514 TDB
node 261.0743323924702 3.103e-05 deg
peri 311.4924617874473 4.6654e-05 deg
i 8.404624078369157 4.0939e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1998-11-24  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:31:05  

Additional Information
 Jupiter MOID = 2.16496 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.841493424652393E-15 -4.874319739650569E-15 -3.410797097467785E-13 -6.672038217732123E-15 -8.684355235572639E-14 2.441074918972079E-15
q -4.874319739650569E-15 1.308314997181545E-14 1.331573887672542E-12 1.83267103943595E-14 3.034021186232738E-13 -6.398281053823975E-15
tp -3.410797097467785E-13 1.331573887672542E-12 2.726969550089048E-8 8.958513749187956E-12 5.77672450069817E-9 -9.698681074122526E-12
node -6.672038217732123E-15 1.83267103943595E-14 8.958513749187956E-12 9.628318204367447E-10 -9.50298448106626E-10 -2.086046492235149E-11
peri -8.684355235572639E-14 3.034021186232738E-13 5.77672450069817E-9 -9.50298448106626E-10 2.176599849883788E-9 1.850480790402724E-11
i 2.441074918972079E-15 -6.398281053823975E-15 -9.698681074122526E-12 -2.086046492235149E-11 1.850480790402724E-11 1.676037514155006E-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 15.04   n/a MPCxxxxx  
diameter diameter 2.694 km 0.451 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.352   0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78655 (2002 TA73)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 TA73 = 2000 GB170 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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