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33376 Medi (1999 CZ8)
Classification: Main-belt Asteroid          SPK-ID: 2033376
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204557733884307 3.9606e-08  
a 2.213868704980222 7.0225e-09 au
q 1.947195437941386 8.6375e-08 au
i 6.277830737545908 2.8075e-06 deg
node 98.12042604095473 3.8735e-05 deg
peri 89.69908563191728 4.0411e-05 deg
M 239.1133917513584 1.3112e-05 deg
tp 2459800.519112668880
(2022-Aug-09.01911267)
4.4535e-05 TDB
period 1203.167850169469
3.29
5.7248e-06
1.567e-08
d
yr
n .2992101226352527 1.4237e-09 deg/d
Q 2.480541972019058 7.8684e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1850  
   data-arc span      10655 days (29.17 yr)  
   first obs. used      1991-12-07  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47948  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:25:13  

Additional Information
 Earth MOID = .960914 au 
 Jupiter MOID = 2.49131 au 
 T_jup = 3.638 
[ 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 15.16   n/a E2021B10  
diameter diameter 4.809 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

33376 Medi           Discovered 1999 Feb. 6 by V. Goretti at Pianoro.
Enrico Medi (1911-1974), a distinguished Italian physicist who studied under Fermi and held university positions in Palermo and Rome, was director of the National Institute of Geophysics, vice president of EURATOM and a great popularizer of scientific knowledge for the sake of humanity.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031110/MPCPages.arcLast Updated: 2003-11-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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