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24818 Menichelli (1994 WX)
Classification: Main-belt Asteroid          SPK-ID: 2024818
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628577848137408 4.4701e-08  
a 3.185748655004558 2.3548e-08 au
q 2.666924686077162 1.4097e-07 au
i 4.654162731664355 6.5972e-06 deg
node 192.0532873356742 5.5626e-05 deg
peri 250.8021168056156 5.8838e-05 deg
M 95.84056284249006 2.0676e-05 deg
tp 2458047.579688178896
(2017-Oct-21.07968818)
0.00011626 TDB
period 2076.900493403091
5.69
2.3028e-05
6.305e-08
d
yr
n .1733352181019152 1.9219e-09 deg/d
Q 3.704572623931955 2.7383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      13354 days (36.56 yr)  
   first obs. used      1982-10-18  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59975  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:18:38  

Additional Information
 Earth MOID = 1.68735 au 
 Jupiter MOID = 1.57419 au 
 T_jup = 3.172 
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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 14.9   n/a MPO299137  
diameter diameter 4.942 km 0.561 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24818 Menichelli           Discovered 1994 Nov. 23 by L. Tesi and A. Boattini at San Marcello Pistoiese.
Marco Menichelli (b. 1942) lives in Fiesole, an old Etruscan town near Florence. An amateur astronomer on the San Marcello team, he wrote astronomical software, focusing on transient phenomena.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1994 WX = 1999 TO42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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