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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06477760302012855 4.2737e-08  
a 2.685099177665596 1.4468e-08 au
q 2.5111648890651 1.1402e-07 au
i 8.409008077798447 4.0871e-06 deg
node 261.0450023715055 3.0953e-05 deg
peri 310.1083194684243 4.6602e-05 deg
M 265.0220265712034 3.7513e-05 deg
tp 2459820.493620487391
(2022-Aug-28.99362049)
0.00016837 TDB
period 1607.085283725185
4.40
1.2989e-05
3.556e-08
d
yr
n .2240080247424883 1.8105e-09 deg/d
Q 2.859033466266091 1.5405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      859  
   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      .51475  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:48:42  

Additional Information
 Earth MOID = 1.51335 au 
 Jupiter MOID = 2.16374 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457635.5 (2016-Sep-04.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06470045784976082 4.283e-08  
q 2.510709055043605 1.1414e-07 au
tp 2458219.872087425286
(2018-Apr-11.37208743)
0.00016512 TDB
node 261.0743198274067 3.0985e-05 deg
peri 311.4944530056085 4.6625e-05 deg
i 8.404641927115538 4.0863e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      859  
   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      .51475  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:48:42  

Additional Information
 Jupiter MOID = 2.16374 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.834383954649009E-15 -4.854316394126257E-15 -3.364184801392714E-13 -6.568678710760125E-15 -8.636515810475846E-14 2.419053865956983E-15
q -4.854316394126257E-15 1.30268675249004E-14 1.318463416392588E-12 1.805029905422166E-14 3.020426016849056E-13 -6.337687910145797E-15
tp -3.364184801392714E-13 1.318463416392588E-12 2.726479379739626E-8 8.612877437197861E-12 5.776305599533411E-9 -9.643626616199431E-12
node -6.568678710760125E-15 1.805029905422166E-14 8.612877437197861E-12 9.600485029985216E-10 -9.476191757123212E-10 -2.044308800454509E-11
peri -8.636515810475846E-14 3.020426016849056E-13 5.776305599533411E-9 -9.476191757123212E-10 2.173897453952922E-9 1.810328913790893E-11
i 2.419053865956983E-15 -6.337687910145797E-15 -9.643626616199431E-12 -2.044308800454509E-11 1.810328913790893E-11 1.669777607488048E-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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