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JPL Small-Body Database Browser
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13573 (1993 FZ18)
Classification: Main-belt Asteroid          SPK-ID: 2013573
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500582540598182 2.9223e-08  
a 2.335814018084303 7.4984e-09 au
q 1.985305844722124 6.6696e-08 au
i 6.136566999998332 3.7263e-06 deg
node 71.3816250398456 3.7664e-05 deg
peri 212.6091466538661 4.0554e-05 deg
M 144.1412409882737 1.4773e-05 deg
tp 2458478.414569721640
(2018-Dec-25.91456972)		 5.3221e-05 TDB
period 1303.934624203076
3.57		 6.2788e-06
1.719e-08		 d
yr
n .2760874612253055 1.3294e-09 deg/d
Q 2.686322191446482 8.6236e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1926  
   data-arc span      11323 days (31.00 yr)  
   first obs. used      1989-02-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:41:05  

Additional Information
 Earth MOID = .972076 au 
 Jupiter MOID = 2.44927 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456706.5 (2014-Feb-18.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498847505992069 2.9119e-08  
q 1.985827494879547 6.636e-08 au
tp 2457175.459327292969
(2015-Jun-01.95932729)		 5.3276e-05 TDB
node 71.40238783456024 3.767e-05 deg
peri 212.7301366647264 4.0587e-05 deg
i 6.136192222887098 3.7262e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1926  
   data-arc span      11323 days (31.00 yr)  
   first obs. used      1989-02-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:41:05  

Additional Information
 Jupiter MOID = 2.44927 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.479139412254592E-16 -1.924047864856524E-15 -9.441423241457763E-14 1.050558248107456E-14 -5.763197097066217E-14 -1.146524650791797E-15
q -1.924047864856524E-15 4.40364494084198E-15 2.033070827698566E-13 -2.420278281372694E-14 1.233785823766986E-13 2.651214281685767E-15
tp -9.441423241457763E-14 2.033070827698566E-13 2.838306687649117E-9 2.289973188935412E-12 8.194285871061292E-10 -5.101244719104206E-13
node 1.050558248107456E-14 -2.420278281372694E-14 2.289973188935412E-12 1.419033208279173E-9 -1.410209855091344E-9 -4.791749872357193E-11
peri -5.763197097066217E-14 1.233785823766986E-13 8.194285871061292E-10 -1.410209855091344E-9 1.647328538324321E-9 4.750975757600091E-11
i -1.146524650791797E-15 2.651214281685767E-15 -5.101244719104206E-13 -4.791749872357193E-11 4.750975757600091E-11 1.388493592315348E-11

[ 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 MPO435830  
diameter diameter 4.499 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.06 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2013) Minor Planet Bull. 40, 71-80.]
geometric albedo albedo 0.263   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13573 (1993 FZ18)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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