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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1914-Mar-29 20:46 00:02 Jupiter 1.86432379902458 1.86432294056559 1.8643246574841 2.43550305264303 2.241207381853 2420221.365184745 2.06821942579922 99.5321600904407 17.5482368159664 -86.9350358446278 2334229.97892032 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 02:06:01 2021-Apr-13 02:06
1940-Dec-16 17:53 00:01 Jupiter 1.99106782281693 1.99106692609047 1.99106871954328 3.43400905259191 3.30780830976065 2429980.244799029 1.48759382437561 46.1257620790063 33.3559409442792 -82.2221431690879 1591591.85683215 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 02:06:01 2021-Apr-13 02:06
1975-Dec-30 17:59 < 00:01 Jupiter 1.86148436957008 1.86148379801117 1.86148494112889 2.69551702425149 2.52106354512698 2442777.249168830 0.849757954745225 59.8692447476233 14.8684626586821 -87.7512133555797 1971361.2363111 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 02:06:01 2021-Apr-13 02:06
2011-Jan-12 07:18 < 00:01 Jupiter 1.76301844375694 1.76301800686075 1.76301888065303 2.09897804858311 1.85602564547648 2455573.804199005 0.180719826168156 73.4736866925446 18.9975212867999 -87.4657815690516 2159960.80259016 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 02:06:01 2021-Apr-13 02:06
2046-Jan-30 21:51 < 00:01 Jupiter 1.73251466652727 1.73251422305198 1.73251511000236 1.82537120852458 1.5343352182015 2468376.410508206 0.716521517044402 95.3485877436928 32.347737766391 83.1988989716438 2152706.9679034 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 02:06:01 2021-Apr-13 02:06
2081-Feb-20 19:37 00:02 Jupiter 1.74964068566592 1.74964013111022 1.749641240222 1.86495748008043 1.58424804789051 2481181.317104078 1.52455603114806 122.77220478276 26.1328748646372 78.2809738089969 2237191.64278521 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 02:06:01 2021-Apr-13 02:06
2116-Mar-07 01:21 00:02 Jupiter 1.83991710196265 1.83991612379815 1.8399180801282 2.25901397563127 2.04509804610742 2493978.556172129 2.32848268047085 117.361410417712 15.8500087252655 89.2747338475556 2299773.57169021 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 02:06:01 2021-Apr-13 02:06
2151-Mar-19 03:06 00:03 Jupiter 1.96515012664524 1.96514859858208 1.9651516547093 2.8315075865027 2.674956382214 2506773.628830855 3.00447892396658 115.443125813859 25.5240248868018 -69.9172375700062 2117708.24024983 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 02:06:01 2021-Apr-13 02:06
2177-Dec-08 05:33 00:04 Jupiter 1.88562544823005 1.88562401662861 1.88562687983085 2.91495964868255 2.75655404814856 2516534.731018877 3.5416249478039 71.4489267345197 33.0110181199743 69.81130539276 1021028.2292699 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 02:06:01 2021-Apr-13 02:06

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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