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26332 Alyssehrlich (1998 WW10)
Classification: Main-belt Asteroid          SPK-ID: 2026332
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239038253267783 4.0495e-08  
a 2.568245121191072 1.0217e-08 au
q 2.250029726298663 1.0657e-07 au
i 4.384670077989223 3.6803e-06 deg
node 77.44807476605686 5.705e-05 deg
peri 285.9559549280664 5.9034e-05 deg
M 124.3359169666694 1.6351e-05 deg
tp 2458481.284994369600
(2018-Dec-28.78499437)
6.7054e-05 TDB
period 1503.325881909496
4.12
8.9704e-06
2.456e-08
d
yr
n .2394690361764641 1.4289e-09 deg/d
Q 2.886460516083481 1.1482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1963  
   data-arc span      17042 days (46.66 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:29:35  

Additional Information
 Earth MOID = 1.2526 au 
 Jupiter MOID = 2.57309 au 
 T_jup = 3.416 
[ 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 14.7   n/a MPO452538  
diameter diameter 4.078 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.2065 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.185   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26332 Alyssehrlich           Discovered 1998 Nov. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Alyssa Chelsea Ehrlich (b. 1992) was awarded second place in the 2010 Intel International Science and Engineering Fair for her animal-sciences project. She attends the South Side High School, Rockville Centre, New York, 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: 20110319/MPCPages.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 1998 WW10 = 4832 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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