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19523 Paolofrisi (1998 YX3)
Classification: Main-belt Asteroid          SPK-ID: 2019523
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313667882111239 3.8973e-08  
a 2.764633017506254 1.3283e-08 au
q 2.401452057414029 1.134e-07 au
i 9.05895232564265 4.0533e-06 deg
node 121.1270373232512 2.4661e-05 deg
peri 277.8588639475217 2.9879e-05 deg
M 314.7024614718476 1.8515e-05 deg
tp 2459411.764616078459
(2021-Jul-16.26461608)
8.701e-05 TDB
period 1679.015334155006
4.60
1.2101e-05
3.313e-08
d
yr
n .2144113830748164 1.5453e-09 deg/d
Q 3.127813977598478 1.5028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      8947 days (24.50 yr)  
   first obs. used      1996-05-13  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53659  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:56:43  

Additional Information
 Earth MOID = 1.42892 au 
 Jupiter MOID = 2.3063 au 
 T_jup = 3.309 
[ 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 14.10   n/a E2021B10  
diameter diameter 6.881 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19523 Paolofrisi           Discovered 1998 Dec. 18 at Osservatorio San Vittore.
Paolo Frisi (1728-1784), famous Italian scientist, was an authority in the fields of mathematics, physics and astronomy. His major works were translated into French and English.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

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