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17403 Masciarelli (1986 EL5)
Classification: Main-belt Asteroid          SPK-ID: 2017403
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07811970147153546 1.8951e-08  
a 2.538324302646708 8.1999e-09 au
q 2.340031165886004 5.1084e-08 au
i 5.213608042425119 4.55e-07 deg
node 2.021742969394524 9.8795e-06 deg
peri 71.25204348196289 1.8593e-05 deg
M 359.693701745285 1.5837e-05 deg
tp 2459397.756785351373
(2021-Jul-02.25678535)
6.4981e-05 TDB
period 1477.131258600937
4.04
7.1577e-06
1.96e-08
d
yr
n .2437156467333672 1.181e-09 deg/d
Q 2.736617439407413 8.8405e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3047  
   data-arc span      16125 days (44.15 yr)  
   first obs. used      1976-12-20  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40406  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:50:40  

Additional Information
 Earth MOID = 1.36055 au 
 Jupiter MOID = 2.4452 au 
 T_jup = 3.437 
[ 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 13.29   n/a E2021B10  
diameter diameter 6.803 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17403 Masciarelli           Discovered 1986 Mar. 6 by G. De Sanctis at the European Southern Observatory.
Clodoveo Masciarelli (b. 1955) is a doctor, artist and amateur astronomer. He has dedicated his life to astronomy and its popularization, building a small observatory and making it available to the public. The inspiration for his art is linked to the cosmos.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-03-23Last Updated: 2016-03-24

Alternate Designations
 1986 EL5 = 1976 YP6 = 1998 DZ35 = 1998 FJ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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