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78697 (2002 TZ170)
Classification: Main-belt Asteroid          SPK-ID: 2078697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06084841515760221 6.1306e-08  
a 3.091341291000908 2.7971e-08 au
q 2.903238072732246 1.8702e-07 au
i 11.040683462468 5.3703e-06 deg
node 280.1288105192659 3.286e-05 deg
peri 29.87319057189222 5.7505e-05 deg
M 148.6036503587276 4.8659e-05 deg
tp 2458181.005890862177
(2018-Mar-03.50589086)
0.00026716 TDB
period 1985.266704939255
5.44
2.6944e-05
7.377e-08
d
yr
n .1813358371972572 2.4611e-09 deg/d
Q 3.279444509269569 2.9672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      7480 days (20.48 yr)  
   first obs. used      2000-05-01  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:52  

Additional Information
 Earth MOID = 1.89339 au 
 Jupiter MOID = 1.91326 au 
 T_jup = 3.193 
[ 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 14.0   n/a MPO459358  
diameter diameter 5.522 km 1.792 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.210   0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78697 (2002 TZ170)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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