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17540 (1993 FX81)
Classification: Main-belt Asteroid          SPK-ID: 2017540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223512226388071 4.6295e-08  
a 2.940251253292081 1.3722e-08 au
q 2.580507917586509 1.3459e-07 au
i 6.62111659062487 3.2872e-06 deg
node 83.00129687534246 4.2863e-05 deg
peri 72.40587610317013 4.502e-05 deg
M 205.5453585304166 1.5826e-05 deg
tp 2459990.584524761781
(2023-Feb-15.08452476)
8.3402e-05 TDB
period 1841.514286705678
5.04
1.2892e-05
3.53e-08
d
yr
n .1954912881202846 1.3685e-09 deg/d
Q 3.299994588997651 1.5401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2082  
   data-arc span      14244 days (39.00 yr)  
   first obs. used      1982-01-20  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:05:52  

Additional Information
 Earth MOID = 1.60009 au 
 Jupiter MOID = 1.72812 au 
 T_jup = 3.252 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457055.5 (2015-Feb-02.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186891754759396 4.6276e-08  
q 2.594790088318864 1.3404e-07 au
tp 2456299.585540958069
(2013-Jan-07.08554096)
7.7819e-05 TDB
node 83.06517630153718 4.2822e-05 deg
peri 71.99850425439449 4.5159e-05 deg
i 6.62167996922195 3.2852e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2082  
   data-arc span      14244 days (39.00 yr)  
   first obs. used      1982-01-20  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:05:52  

Additional Information
 Jupiter MOID = 1.72812 au 
 T_jup = 3.252 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.141467993796992E-15 -6.178030415536899E-15 5.879304078969258E-13 -9.603176449726542E-15 1.784825637223741E-13 1.162675263536813E-15
q -6.178030415536899E-15 1.796564167416211E-14 -1.56175787433043E-12 3.220897116639346E-14 -4.86316326109468E-13 -3.24954938614714E-15
tp 5.879304078969258E-13 -1.56175787433043E-12 6.055792628035554E-9 2.591782478702336E-12 1.158390481892772E-9 1.724021695513176E-13
node -9.603176449726542E-15 3.220897116639346E-14 2.591782478702336E-12 1.833724276519672E-9 -1.820460056157608E-9 9.89597604063059E-12
peri 1.784825637223741E-13 -4.86316326109468E-13 1.158390481892772E-9 -1.820460056157608E-9 2.039309935480206E-9 -9.763203398308915E-12
i 1.162675263536813E-15 -3.24954938614714E-15 1.724021695513176E-13 9.89597604063059E-12 -9.763203398308915E-12 1.079226661161112E-11

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 12.95   n/a E2021B10  
diameter diameter 7.043 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.356   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17540 (1993 FX81)          Discovered 1993-Mar-18 by UESAC at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FX81 = 1982 BL8 = 1986 WZ6 = 1996 XX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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