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160018 (1991 TY2)
Classification: Main-belt Asteroid          SPK-ID: 2160018
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160528703453369 7.0626e-08  
a 3.090272074716445 2.7888e-08 au
q 2.594194705244062 2.2867e-07 au
i 3.362577223089089 5.2691e-06 deg
node 248.7621384186171 0.00012494 deg
peri 120.5050068660178 0.00012597 deg
M 98.05173769095371 1.6313e-05 deg
tp 2458460.061478837693
(2018-Dec-07.56147884)
8.8286e-05 TDB
period 1984.236814156742
5.43
2.686e-05
7.354e-08
d
yr
n .181429957065378 2.456e-09 deg/d
Q 3.586349444188829 3.2365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      10340 days (28.31 yr)  
   first obs. used      1991-10-03  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:12:37  

Additional Information
 Earth MOID = 1.59577 au 
 Jupiter MOID = 1.90396 au 
 T_jup = 3.202 
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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 15.5   n/a MPO412926  

160018 (1991 TY2)          Discovered 1991-Oct-07 by Borngen, F., Schmadel, L. D. at Tautenburg
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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Alternate Designations
 1991 TY2 = 2002 TS293 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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