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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500582561914212 2.9019e-08  
a 2.335814018527262 7.3884e-09 au
q 1.985305840119585 6.6326e-08 au
i 6.136567196751272 3.6601e-06 deg
node 71.38162345285527 3.6599e-05 deg
peri 212.6091467513281 3.935e-05 deg
M 144.1412421200173 1.4454e-05 deg
tp 2458478.414565473908
(2018-Dec-25.91456547)
5.1964e-05 TDB
period 1303.934624573989
3.57
6.1867e-06
1.694e-08
d
yr
n .2760874611467705 1.3099e-09 deg/d
Q 2.68632219693494 8.4971e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1959  
   data-arc span      11589 days (31.73 yr)  
   first obs. used      1989-02-02  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:45:28  

Additional Information
 Earth MOID = .972076 au 
 Jupiter MOID = 2.44927 au 
 T_jup = 3.545 
[ 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 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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