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85171 (1989 TZ6)
Classification: Main-belt Asteroid          SPK-ID: 2085171
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726314596832979 5.3757e-08  
a 2.639878451821748 1.1931e-08 au
q 2.184152381297275 1.4264e-07 au
i 15.14568355469246 6.4135e-06 deg
node 35.66868102597763 1.6165e-05 deg
peri 305.007060886862 2.2428e-05 deg
M 346.0337469926577 1.5413e-05 deg
tp 2458661.278744966313
(2019-Jun-26.77874497)
6.712e-05 TDB
period 1566.658442774156
4.29
1.0621e-05
2.908e-08
d
yr
n .2297884402694253 1.5578e-09 deg/d
Q 3.095604522346221 1.3991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      10991 days (30.09 yr)  
   first obs. used      1989-09-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55616  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:09:23  

Additional Information
 Earth MOID = 1.21444 au 
 Jupiter MOID = 2.44811 au 
 T_jup = 3.325 
[ 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 14.8   n/a MPO359337  
diameter diameter 3.856 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85171 (1989 TZ6)          Discovered 1989-Oct-07 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1989 TZ6 = 2002 RE63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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