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18104 Mahalingam (2000 NP3)
Classification: Main-belt Asteroid          SPK-ID: 2018104
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 .1373380964930443 1.4655e-08  
a 2.285190822989827 6.5186e-09 au
q 1.971347065237031 3.4005e-08 au
i 5.364585131130377 7.4853e-07 deg
node 132.636316854477 8.781e-06 deg
peri 132.2833305670812 9.7655e-06 deg
M 351.9634176739025 8.3189e-06 deg
tp 2459228.667676936245
(2021-Jan-14.16767694)
2.9219e-05 TDB
period 1261.775626203554
3.45
5.3989e-06
1.478e-08
d
yr
n .2853122159945128 1.2208e-09 deg/d
Q 2.599034580742624 7.4139e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2314  
   data-arc span      14019 days (38.38 yr)  
   first obs. used      1982-02-21  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:23:05  

Additional Information
 Earth MOID = .958431 au 
 Jupiter MOID = 2.47922 au 
 T_jup = 3.584 
[ 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 14.35   n/a E2021B10  
diameter diameter 2.796 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.57788 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 0.518   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18104 Mahalingam           Discovered 2000 July 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Satish Mahalingam (b. 1985) was awarded second place in the 2003 Intel International Science and Engineering Fair for his computer science team project. He attends the Little Rock Central High School, Little Rock, Arkansas, 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: 20040614/MPCPages.arcLast Updated: 2009-12-11

[ show close-approach data ]
Alternate Designations
 2000 NP3 = 1982 DK4 = 1989 EU1 = 1990 SC24 = 1997 TC27 = 1999 CK136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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