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173281 (1999 TY86)
Classification: Main-belt Asteroid          SPK-ID: 2173281
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007206850654611 4.8658e-08  
a 3.105108459189287 3.1783e-08 au
q 2.792359807977184 1.5926e-07 au
i 11.69553776054788 7.9378e-06 deg
node 331.7939696451313 2.9532e-05 deg
peri 306.2613261955578 5.1731e-05 deg
M 320.8004574818212 4.2852e-05 deg
tp 2459218.116632845758
(2021-Jan-03.61663285)
0.00023794 TDB
period 1998.5434214734
5.47
3.0685e-05
8.401e-08
d
yr
n .1801311876099218 2.7657e-09 deg/d
Q 3.41785711040139 3.4984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      8502 days (23.28 yr)  
   first obs. used      1997-03-06  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:26:44  

Additional Information
 Earth MOID = 1.79527 au 
 Jupiter MOID = 1.88903 au 
 T_jup = 3.181 
[ 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 14.7   n/a MPO469857  
diameter diameter 3.348 km 0.753 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173281 (1999 TY86)          Discovered 1999-Oct-15 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1999 TY86 = 2003 ED35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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