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22640 Shalilabaena (1998 MJ34)
Classification: Main-belt Asteroid          SPK-ID: 2022640
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259450985550122 3.3969e-08  
a 2.38055124501285 7.5181e-09 au
q 2.08073248384445 8.1042e-08 au
i 6.971148656053582 4.0087e-06 deg
node 98.46865838756511 2.887e-05 deg
peri 202.9383635222698 3.2653e-05 deg
M 33.67857543484224 1.4573e-05 deg
tp 2459074.993580127106
(2020-Aug-13.49358013)
5.4333e-05 TDB
period 1341.574296741137
3.67
6.3553e-06
1.74e-08
d
yr
n .268341455910782 1.2712e-09 deg/d
Q 2.68037000618125 8.4649e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1685  
   data-arc span      9660 days (26.45 yr)  
   first obs. used      1994-06-07  
   last obs. used      2020-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52452  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:34  

Additional Information
 Earth MOID = 1.06503 au 
 Jupiter MOID = 2.50876 au 
 T_jup = 3.518 
[ 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 14.64   n/a E2021B10  

22640 Shalilabaena           Discovered 1998 June 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Shalila Alejandra Baena (b. 1994) is a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her botany and zoology project. She attends the Haaheo Elementary School, Hilo, Hawaii.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

[ show close-approach data ]
Alternate Designations
 1998 MJ34 = 1998 LJ3 = 1999 XE76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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