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20149 (1996 TX3)
Classification: Main-belt Asteroid          SPK-ID: 2020149
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000574485054029 9.547e-09  
a 2.327492308273797 7.8875e-09 au
q 2.094609366491971 2.508e-08 au
i 6.068472934931703 8.263e-07 deg
node 35.56960484649666 3.9394e-06 deg
peri 242.535699908236 1.2273e-05 deg
M 22.18809819858098 1.203e-05 deg
tp 2459120.562900297378
(2020-Sep-28.06290030)
4.3387e-05 TDB
period 1296.972621780825
3.55
6.5929e-06
1.805e-08
d
yr
n .277569467507878 1.411e-09 deg/d
Q 2.560375250055624 8.6767e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2058  
   data-arc span      8735 days (23.92 yr)  
   first obs. used      1996-10-08  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48218  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:14:16  

Additional Information
 Earth MOID = 1.08486 au 
 Jupiter MOID = 2.53212 au 
 T_jup = 3.559 
[ 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 14.39   n/a E2021B10  
diameter diameter 3.025 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.403   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20149 (1996 TX3)          Discovered 1996-Oct-08 by JPL/GEODSS NEAT at Haleakala
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 TX3 = 1999 PD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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