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13551 Gadsden (1992 FL1)
Classification: Mars-crossing Asteroid          SPK-ID: 2013551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4263382669078906 6.0239e-08  
a 2.522202109448151 4.1153e-09 au
q 1.4468908333146 1.5353e-07 au
i 5.275590602215338 5.1051e-06 deg
node 317.2737438231089 2.6714e-05 deg
peri 238.1619874004912 2.7623e-05 deg
M 5.260558596525814 6.4395e-06 deg
tp 2458979.120496491276
(2020-May-09.62049649)
2.6128e-05 TDB
period 1463.080606729422
4.01
3.5808e-06
9.804e-09
d
yr
n .2460561628280659 6.022e-10 deg/d
Q 3.597513385581701 5.8698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1463  
   data-arc span      11728 days (32.11 yr)  
   first obs. used      1988-05-15  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:45:37  

Additional Information
 Earth MOID = .455995 au 
 Jupiter MOID = 1.4217 au 
 T_jup = 3.317 
[ 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 16.3   n/a MPO416857  

13551 Gadsden           Discovered 1992 Mar. 26 by R. H. McNaught at Siding Spring.
Michael Gadsden (1933-2003) worked during the International Geophysical Year on airglow and aurorae in New Zealand and Antarctica and later at Boulder and Aberdeen. He was an authority on noctilucent clouds and secretary general of the International Association of Geomagnetism and Aeronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070106/MPCPages.arcLast Updated: 2007-01-09

[ 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
1992-Apr-14 05:52 < 00:01 Earth 0.493730633377179 0.493730231850343 0.49373103490539 1.24773167577306 1.24339900421431 2448726.744716284 0.0581378702959486 64.6848222387234 14.1559230808682 -77.6852818904851 537022.743778 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
1996-Apr-03 09:35 < 00:01 Earth 0.48277406795737 0.482773592094471 0.482774543821339 1.66295986405452 1.65963770305442 2450176.899544185 0.0487933312662102 51.3280624390832 14.4679133996011 -67.9002397840272 620147.879824551 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2000-Mar-25 17:16 < 00:01 Earth 0.493292450551361 0.493291937594901 0.493292963508016 2.02078103911641 2.01810633256898 2451629.219756807 0.0422330849963638 32.9418511036471 16.8114012134123 -47.6184374067538 674524.972507451 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2040-Mar-25 05:38 < 00:01 Earth 0.449693489101444 0.449692472425987 0.449694505797812 1.87310548684058 1.86993956128307 2466238.734998572 0.172522052594879 163.484958481663 8.74226239025371 -72.277199643732 707637.631734951 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2044-Apr-04 07:33 < 00:01 Earth 0.4219122070011 0.421911612606631 0.421912801530857 1.52672028429981 1.5225781867221 2467709.814316545 0.19542196832704 384.990158923476 5.58708371850426 -85.7134416885088 706959.401181558 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2045-Oct-29 09:53 < 00:01 Jupiter 1.94701822653605 1.94701758418217 1.94701886889005 1.73271754641816 1.46021868732329 2468282.911764542 0.237460749001227 116.643128678879 39.296940181067 -29.2349612559401 2969010.97232935 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2048-Apr-15 03:57 < 00:01 Earth 0.419930478418563 0.41993012903369 0.419930827818736 1.14769662371735 1.14215473675208 2469181.664477734 0.235345890329331 278.195122424007 15.920608338766 88.119373563744 681996.740986555 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2057-Sep-14 08:42 < 00:01 Jupiter 1.95688142740767 1.95688071997409 1.95688213484113 1.80603701728209 1.54792881545816 2472620.862679450 0.328571199866066 88.165921389124 36.2308506946393 -33.5922483881631 2822243.28680338 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2099-Apr-25 21:52 < 00:01 Earth 0.422662894711893 0.422658448536135 0.422667340902811 1.27073829756336 1.2657676571887 2487819.410885491 0.894123697492771 255.962291331468 34.3770422092582 27.4955063483157 512279.83339163 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2130-Apr-30 03:47 00:01 Earth 0.441004440630836 0.440997972788868 0.441010908496343 1.25732217792302 1.25250763440919 2499145.657740467 1.25278972866851 360.909809270206 26.9253933494674 22.2378985116758 333263.436392724 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2149-Apr-02 14:42 00:01 Mars 0.0415573242411487 0.0415531359010813 0.0415615134197217 10.8613377675224 10.860703477366 2506058.112544446 1.33692502822759 361.392045996876 12.6943697032106 -54.7410903063196 403130.800828965 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2157-Apr-11 10:13 < 00:01 Earth 0.325723465552326 0.325721954138803 0.325724976966441 2.19988896556001 2.19616736244091 2508988.925465652 0.877523849389096 79.7059859980388 41.0439890214731 -22.1245600326009 1183413.27658821 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
2188-Apr-16 05:11 00:01 Earth 0.359347760204748 0.35934390347062 0.359351616946352 1.87219598158686 1.86823131937058 2520316.716298321 1.09742082039848 209.683396095853 39.7275895674309 23.181310805313 1632781.0840794 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:41 2020-Nov-13 02:45
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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