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173144 (1995 TY2)
Classification: Main-belt Asteroid          SPK-ID: 2173144
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980313971504695 8.6688e-08  
a 2.547863787289866 2.147e-08 au
q 2.043306761743767 2.2044e-07 au
i 10.65514015371943 8.9896e-06 deg
node 8.19835823507098 4.3731e-05 deg
peri 343.5799159087574 5.0846e-05 deg
M 34.04973678942485 3.4918e-05 deg
tp 2458860.000753686640
(2020-Jan-11.50075369)
0.00014263 TDB
period 1485.466069403468
4.07
1.8776e-05
5.141e-08
d
yr
n .2423481810961649 3.0633e-09 deg/d
Q 3.052420812835965 2.5721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      8226 days (22.52 yr)  
   first obs. used      1995-10-15  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55638  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:53:01  

Additional Information
 Earth MOID = 1.04085 au 
 Jupiter MOID = 2.39248 au 
 T_jup = 3.390 
[ 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 16.6   n/a MPO439992  

173144 (1995 TY2)          Discovered 1995-Oct-15 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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Alternate Designations
 1995 TY2 = 1999 RR83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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