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20503 Adamtazi (1999 RX14)
Classification: Main-belt Asteroid          SPK-ID: 2020503
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07595144275545919 3.7587e-08  
a 2.989018531148646 1.5179e-08 au
q 2.761998261285103 1.0884e-07 au
i 2.62471617666483 4.3143e-06 deg
node 345.6795991670544 7.9031e-05 deg
peri 329.3127852472944 8.3763e-05 deg
M 66.65273968944058 2.8122e-05 deg
tp 2458851.032460083452
(2020-Jan-02.53246008)
0.00014743 TDB
period 1887.519027066916
5.17
1.4378e-05
3.936e-08
d
yr
n .190726554189717 1.4528e-09 deg/d
Q 3.216038801012189 1.6332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1795  
   data-arc span      10596 days (29.01 yr)  
   first obs. used      1992-02-28  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:22:35  

Additional Information
 Earth MOID = 1.74667 au 
 Jupiter MOID = 2.00023 au 
 T_jup = 3.251 
[ 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 13.89   n/a E2021B10  
rotation period rot_per 21.650 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

20503 Adamtazi           Discovered 1999 Sept. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Adam Ryoma Tazi (b. 1990) is a finalist in the 2004 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his physical science project. He attends the St. Andrew School, Orlando, Florida.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041028/MPCPages.arcLast Updated: 2004-10-29

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