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120493 (1993 FJ45)
Classification: Main-belt Asteroid          SPK-ID: 2120493
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148124246009877 6.0313e-08  
a 2.715282950699892 1.8692e-08 au
q 2.403534731652313 1.5854e-07 au
i 3.718016022477459 5.9484e-06 deg
node 167.3813197802812 7.0345e-05 deg
peri 51.23380685426031 7.4252e-05 deg
M 45.62163415809741 2.1548e-05 deg
tp 2458993.395563294747
(2020-May-23.89556329)		 9.8565e-05 TDB
period 1634.259679421367
4.47		 1.6876e-05
4.62e-08		 d
yr
n .2202832294849636 2.2747e-09 deg/d
Q 3.027031169747472 2.0838e-08 au
   Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      9954 days (27.25 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:50  

Additional Information
 Earth MOID = 1.39718 au 
 Jupiter MOID = 1.94263 au 
 T_jup = 3.349 
[ 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 15.98   n/a E2021B55  
diameter diameter 4.129 km 0.495 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120493 (1993 FJ45)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1993 FJ45 = 2002 FV9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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