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249618 (1999 TA30)
Classification: Main-belt Asteroid          SPK-ID: 2249618
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217433107508556 1.0416e-07  
a 3.075554301170341 4.1315e-08 au
q 2.701126138151829 3.4183e-07 au
i 10.3971268706593 1.1497e-05 deg
node 4.424495394297923 2.8831e-05 deg
peri 334.2627377943591 4.4055e-05 deg
M 251.6888644386453 3.1095e-05 deg
tp 2459193.226212907474
(2020-Dec-09.72621291)
0.00017125 TDB
period 1970.078473840921
5.39
3.9697e-05
1.087e-07
d
yr
n .1827338376517224 3.6821e-09 deg/d
Q 3.449982464188853 4.6344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      7206 days (19.73 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:54  

Additional Information
 Earth MOID = 1.69651 au 
 Jupiter MOID = 1.97495 au 
 T_jup = 3.193 
[ 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 15.6   n/a MPO352523  
diameter diameter 3.379 km 0.928 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249618 (1999 TA30)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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