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102522 (1999 TC321)
Classification: Main-belt Asteroid          SPK-ID: 2102522
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157200747692129 4.9475e-08  
a 3.001564908074944 1.9906e-08 au
q 2.529716660279106 1.5444e-07 au
i 12.07848404217597 4.7738e-06 deg
node 218.6128307819022 2.4724e-05 deg
peri 164.3931922776323 2.9714e-05 deg
M 51.48126693998832 1.6098e-05 deg
tp 2458928.876862579117
(2020-Mar-20.37686258)		 8.4408e-05 TDB
period 1899.415754190844
5.20		 1.8895e-05
5.173e-08		 d
yr
n .1895319648716723 1.8855e-09 deg/d
Q 3.473413155870782 2.3036e-08 au
   Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      7772 days (21.28 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49766  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:39  

Additional Information
 Earth MOID = 1.53491 au 
 Jupiter MOID = 1.98772 au 
 T_jup = 3.200 
[ 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 14.9   n/a MPO449619  
diameter diameter 3.641 km 1.425 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102522 (1999 TC321)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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