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18407 (1993 FQ24)
Classification: Main-belt Asteroid          SPK-ID: 2018407
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1228438010242774 3.9266e-08  
a 2.808997734628715 1.4366e-08 au
q 2.463929775838339 1.1036e-07 au
i 7.91224645332291 4.4233e-06 deg
node 201.4736635272598 2.6879e-05 deg
peri 152.4959913634208 3.0716e-05 deg
M 160.8410434081697 1.6802e-05 deg
tp 2458432.219356731079
(2018-Nov-09.71935673)
7.7878e-05 TDB
period 1719.592373415075
4.71
1.3192e-05
3.612e-08
d
yr
n .2093519403584278 1.6061e-09 deg/d
Q 3.154065693419091 1.6131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1536  
   data-arc span      13002 days (35.60 yr)  
   first obs. used      1985-08-17  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51597  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:43:20  

Additional Information
 Earth MOID = 1.46111 au 
 Jupiter MOID = 2.32096 au 
 T_jup = 3.297 
[ 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 14.1   n/a MPO452431  
diameter diameter 4.348 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.490   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18407 (1993 FQ24)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 FQ24 = 1985 QB1 = 1998 HM76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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