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216607 (2002 TY99)
Classification: Main-belt Asteroid          SPK-ID: 2216607
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812552145803987 8.4306e-08  
a 2.568970693703831 2.0465e-08 au
q 2.103331359365788 2.0642e-07 au
i 11.99334327521585 6.9041e-06 deg
node 221.6556717073359 2.7149e-05 deg
peri 169.5857775339744 3.1256e-05 deg
M 122.338155719103 1.7521e-05 deg
tp 2458689.410945566337
(2019-Jul-24.91094557)
7.1601e-05 TDB
period 1503.962999234494
4.12
1.7971e-05
4.92e-08
d
yr
n .2393675909468765 2.8603e-09 deg/d
Q 3.034610028041875 2.4174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      8714 days (23.86 yr)  
   first obs. used      1997-06-05  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4877  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:41:50  

Additional Information
 Earth MOID = 1.10965 au 
 Jupiter MOID = 2.40463 au 
 T_jup = 3.377 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.37   n/a MPCxxxxx  
diameter diameter 2.641 km 0.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216607 (2002 TY99)          Discovered 2002-Oct-04 by LONEOS at Anderson Mesa
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

Alternate Designations
 2002 TY99 = 2005 JL154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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