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JPL Small-Body Database Browser
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201321 (2002 TY122)
Classification: Main-belt Asteroid          SPK-ID: 2201321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0509753510448871 4.3031e-08  
a 2.996746048590685 3.639e-08 au
q 2.843985866771396 1.3259e-07 au
i 9.314043150452029 5.2397e-06 deg
node 285.5460870935211 3.1781e-05 deg
peri 295.0002362847234 6.284e-05 deg
M 206.7188042371135 5.5196e-05 deg
tp 2459407.288534790737
(2021-Jul-11.78853479)
0.00029311 TDB
period 1894.843467779036
5.19
3.4514e-05
9.449e-08
d
yr
n .1899893084160452 3.4606e-09 deg/d
Q 3.149506230409973 3.8245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2002-08-16  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52328  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:35:43  

Additional Information
 Earth MOID = 1.84932 au 
 Jupiter MOID = 1.94757 au 
 T_jup = 3.232 
[ 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 15.0   n/a MPO422781  
diameter diameter 3.529 km 0.602 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.205   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201321 (2002 TY122)          Discovered 2002-Oct-04 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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