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24331 Alyshaowen (2000 AL68)
Classification: Main-belt Asteroid          SPK-ID: 2024331
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08103786896746616 2.6066e-08  
a 2.441344603345131 8.5109e-09 au
q 2.243503239274817 6.3246e-08 au
i 7.056086700060927 3.1163e-06 deg
node 93.27259185895888 3.6138e-05 deg
peri 16.25845628024145 4.8188e-05 deg
M 146.4734165856037 3.1417e-05 deg
tp 2458633.610560567891
(2019-May-30.11056057)
0.0001213 TDB
period 1393.291717724685
3.81
7.2858e-06
1.995e-08
d
yr
n .2583809229756263 1.3511e-09 deg/d
Q 2.639185967415444 9.2006e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1804  
   data-arc span      10009 days (27.40 yr)  
   first obs. used      1993-02-25  
   last obs. used      2020-07-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50907  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:39:50  

Additional Information
 Earth MOID = 1.26106 au 
 Jupiter MOID = 2.44884 au 
 T_jup = 3.486 
[ 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 14.46   n/a E2021B10  
diameter diameter 3.241 km 0.456 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.300 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.351   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24331 Alyshaowen           Discovered 2000 Jan. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Alysha Harper Owen (b. 1990) was awarded first place in the 2008 Intel International Science and Engineering Fair for her behavioral and social sciences project. She attends the Dallastown Area High School, Dallastown, Pennsylvania, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080917/MPCPages.arcLast Updated: 2008-09-19

Alternate Designations
 2000 AL68 = 1993 DH2 = 1997 AB11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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