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85170 (1989 TZ3)
Classification: Main-belt Asteroid          SPK-ID: 2085170
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1760368042089749 4.3179e-08  
a 2.434151389581616 1.0271e-08 au
q 2.005651157998833 1.0867e-07 au
i 2.320063351619511 4.3561e-06 deg
node 71.13167961574081 0.00011732 deg
peri 273.1672801449101 0.00011804 deg
M 48.69214324940559 1.2972e-05 deg
tp 2458812.881268660394
(2019-Nov-25.38126866)
4.9628e-05 TDB
period 1387.138432915103
3.80
8.7799e-06
2.404e-08
d
yr
n .2595270893355984 1.6427e-09 deg/d
Q 2.862651621164399 1.2079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      10994 days (30.10 yr)  
   first obs. used      1989-09-26  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56895  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:14:52  

Additional Information
 Earth MOID = .999709 au 
 Jupiter MOID = 2.54193 au 
 T_jup = 3.483 
[ 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 16.0   n/a MPO436371  

85170 (1989 TZ3)          Discovered 1989-Oct-07 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Alternate Designations
 1989 TZ3 = 1989 SS3 = 2002 AL79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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