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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145414159926403 6.1499e-08  
a 2.714265891712272 1.9433e-08 au
q 2.403370033095022 1.6299e-07 au
i 3.717983859765851 6.8622e-06 deg
node 167.3936469543583 7.2268e-05 deg
peri 51.10505886663481 7.6618e-05 deg
M 1.661307711487102 2.4742e-05 deg
tp 2458992.962547453521
(2020-May-23.46254745)
0.00011227 TDB
period 1633.341552543205
4.47
1.7541e-05
4.802e-08
d
yr
n .2204070541396927 2.3671e-09 deg/d
Q 3.025161750329522 2.1659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      9901 days (27.11 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:38:09  

Additional Information
 Earth MOID = 1.39811 au 
 Jupiter MOID = 1.94547 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 15.9   n/a MPO432706  
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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