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22929 Seanwahl (1999 TL126)
Classification: Main-belt Asteroid          SPK-ID: 2022929
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03683129714141448 4.2898e-08  
a 2.54735134803644 9.2645e-09 au
q 2.453529093613326 1.1076e-07 au
i 4.959722114243894 5.1649e-06 deg
node 184.1458689569118 3.4187e-05 deg
peri 133.9007587689472 8.0893e-05 deg
M 128.8337366587508 7.0121e-05 deg
tp 2458669.054414184881
(2019-Jul-04.55441418)
0.00028954 TDB
period 1485.017945262305
4.07
8.1013e-06
2.218e-08
d
yr
n .2424213129198326 1.3225e-09 deg/d
Q 2.641173602459552 9.6057e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1418  
   data-arc span      10211 days (27.96 yr)  
   first obs. used      1993-02-26  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47256  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:52  

Additional Information
 Earth MOID = 1.44175 au 
 Jupiter MOID = 2.44831 au 
 T_jup = 3.436 
[ 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 MPO526176  
diameter diameter 3.240 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.153   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22929 Seanwahl           Discovered 1999 Oct. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sean Matthew Wahl (b. 1989) is a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors, for his earth and planetary science project. He attends the Troy High School, Fullerton, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070303/MPCPages.arcLast Updated: 2010-04-12

[ show close-approach data ]
Alternate Designations
 1999 TL126 = 1995 SP20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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