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7437 Torricelli (1994 EF3)
Classification: Main-belt Asteroid          SPK-ID: 2007437
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08655251406840571 3.1908e-08  
a 2.348815225035738 8.1585e-09 au
q 2.145519362226747 7.4579e-08 au
i 6.382771069894273 3.5435e-06 deg
node 126.2640838846682 3.4131e-05 deg
peri 286.4622256539898 4.1335e-05 deg
M 235.1540675956957 2.2511e-05 deg
tp 2459456.477699686647
(2021-Aug-29.97769969)
8.2264e-05 TDB
period 1314.836364516858
3.60
6.8506e-06
1.876e-08
d
yr
n .2737983293702738 1.4265e-09 deg/d
Q 2.55211108784473 8.8647e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1918  
   data-arc span      14715 days (40.29 yr)  
   first obs. used      1979-01-27  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4839  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:27:59  

Additional Information
 Earth MOID = 1.16713 au 
 Jupiter MOID = 2.70151 au 
 T_jup = 3.546 
[ 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 14.2   n/a MPO384822  
diameter diameter 3.527 km 0.578 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 13.72 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]
geometric albedo albedo 0.357   0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

7437 Torricelli (1994 EF3)          Discovered 1994-Mar-12 by Goretti, V., Boattini, A. at Cima Ekar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1994 EF3 = 1979 BA3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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