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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1499560943373451 2.8283e-08  
a 2.336068901467374 7.1251e-09 au
q 1.985761132900394 6.4957e-08 au
i 6.135935172712119 3.4418e-06 deg
node 71.3786585670578 3.4737e-05 deg
peri 212.6566407792615 3.7206e-05 deg
M 199.2963677578689 1.3928e-05 deg
tp 2459782.670360618918
(2022-Jul-22.17036062)
5.1303e-05 TDB
period 1304.148057506477
3.57
5.9666e-06
1.634e-08
d
yr
n .2760422775066794 1.2629e-09 deg/d
Q 2.686376670034353 8.1936e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2094  
   data-arc span      11676 days (31.97 yr)  
   first obs. used      1989-02-02  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:12:59  

Additional Information
 Earth MOID = .97065 au 
 Jupiter MOID = 2.44843 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456994.5 (2014-Dec-03.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501186110423355 2.8217e-08  
q 1.984733714986656 6.4793e-08 au
tp 2457175.616754007644
(2015-Jun-02.11675401)
4.8589e-05 TDB
node 71.39379178821105 3.4745e-05 deg
peri 212.8384817285963 3.7219e-05 deg
i 6.136186996960644 3.4421e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2094  
   data-arc span      11676 days (31.97 yr)  
   first obs. used      1989-02-02  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:12:59  

Additional Information
 Jupiter MOID = 2.44843 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.96213354941757E-16 -1.820725165321936E-15 6.120558127997891E-14 7.167736035689512E-15 -2.042090454282408E-15 -8.070885625847338E-16
q -1.820725165321936E-15 4.198141934529932E-15 -1.118105257800779E-13 -1.678168219710982E-14 1.028981498936332E-14 1.922661565956046E-15
tp 6.120558127997891E-14 -1.118105257800779E-13 2.36084435127106E-9 8.619815130530697E-13 6.613860727213905E-10 -3.155219411962806E-13
node 7.167736035689512E-15 -1.678168219710982E-14 8.619815130530697E-13 1.207185575317985E-9 -1.199920077008283E-9 -2.747090530596324E-11
peri -2.042090454282408E-15 1.028981498936332E-14 6.613860727213905E-10 -1.199920077008283E-9 1.385254925270902E-9 2.722995250826444E-11
i -8.070885625847338E-16 1.922661565956046E-15 -3.155219411962806E-13 -2.747090530596324E-11 2.722995250826444E-11 1.184786320119312E-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 14.18   n/a E2021B10  
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. 2020-October); 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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