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152864 (1999 XT143)
Classification: Mars-crossing Asteroid          SPK-ID: 2152864
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3610821306758615 4.1373e-08  
a 2.208652259960866 7.1027e-09 au
q 1.411147396012139 9.3954e-08 au
i 2.741445523065514 3.6671e-06 deg
node 100.4852109066377 7.157e-05 deg
peri 257.1511247616721 7.1847e-05 deg
M 208.060967148631 6.4384e-06 deg
tp 2459706.506737737261
(2022-May-07.00673774)
2.3306e-05 TDB
period 1198.917895993259
3.28
5.7833e-06
1.583e-08
d
yr
n .3002707701695896 1.4484e-09 deg/d
Q 3.006157123909591 9.6673e-09 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      7385 days (20.22 yr)  
   first obs. used      1999-12-08  
   last obs. used      2020-02-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:29:00  

Additional Information
 Earth MOID = .409276 au 
 Jupiter MOID = 2.44755 au 
 T_jup = 3.570 
[ 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 16.85   n/a E2021B55  
diameter diameter 2.139 km 0.551 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.068   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

152864 (1999 XT143)          Discovered 1999-Dec-08 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ 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
1910-Sep-19 06:56 < 00:01 Earth 0.409185958982714 0.409185435394054 0.409186482799248 0.49718165278739 0.483907303447284 2418933.789013221 0.487559981191401 545.749768881128 4.17608888602274 -87.0922962679334 313731.907064906 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
1930-Jun-29 19:46 00:03 Mars 0.0547685085319591 0.0547665755625722 0.054770441514325 3.32312552900297 3.32155215722872 2426157.323946205 3.25465846137824 105.324656909078 13.1900626477535 24.0275113187275 205339.866543802 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
1933-Sep-26 08:17 < 00:01 Earth 0.422733291824887 0.422732059826901 0.422734523835055 0.54926084690542 0.537663015867785 2427341.845434821 0.530081304150411 135.783209054362 9.16888082546236 -71.9885446411392 323023.627700033 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
1943-Jun-23 06:16 00:01 Mars 0.0872894629889184 0.0872848780332567 0.0872940479696373 4.55802525618772 4.55730563833625 2430898.760951510 1.32695661062497 240.265057405552 11.4863655341529 17.9431621340645 298698.889654793 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
1956-Oct-02 06:19 < 00:01 Earth 0.443406679339779 0.443405149756322 0.443408208927799 0.793619992608794 0.786011751469183 2435748.763157348 0.477625083051515 106.192985747847 12.2223624611391 -52.7018129116581 409167.274478082 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
1979-Oct-11 10:39 < 00:01 Earth 0.483819504918069 0.483818290797701 0.483820719039756 1.33870660286806 1.33458645873929 2444157.943875438 0.292003225853994 73.3260892305269 13.5595283229891 -37.9146196418973 508951.459657403 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
2015-Aug-26 15:49 < 00:01 Earth 0.475501518627579 0.475501185756075 0.475501851499813 1.37782692125686 1.37375397989249 2457261.159202190 0.0294375220635027 60.1499265416288 13.5948541503633 -81.4223324318032 638479.626545854 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
2038-Sep-03 22:50 < 00:01 Earth 0.437283579413446 0.437282799596091 0.437284359239029 0.948050704824436 0.94160163210175 2465670.451658878 0.210856754413757 145.785419857671 25.4345985647034 -79.7898213076598 260514.672756724 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
2061-Sep-11 04:46 < 00:01 Earth 0.418459031742007 0.41845824437434 0.418459819110102 0.700749647798788 0.691603462042821 2474078.698433432 0.396781759331987 186.644558358853 31.0726951942797 89.2287480561917 192261.364682253 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
2084-Sep-18 04:23 < 00:01 Earth 0.411275516400261 0.411275215434455 0.411275817426571 0.519818620814655 0.507202374064348 2482486.682880322 0.595921097182997 448.659335527402 7.64449740408902 -89.0452593796583 390572.909331883 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
2107-Sep-26 16:42 < 00:01 Earth 0.41526253422557 0.415261671849919 0.415263396658558 0.474613474667848 0.460896088302962 2490894.196075010 0.774345803787662 263.339644523833 4.87565388878266 -82.5763136021096 340752.290471926 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
2111-Feb-20 23:35 00:03 Mars 0.0945099345232695 0.0945044847834811 0.094515384337394 4.48262541786622 4.48194960100907 2492137.482523687 2.58474984600672 302.290789759718 15.1442311717609 26.0258089791969 340011.544675189 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
2124-Feb-19 13:21 00:06 Mars 0.0358913942304023 0.0358905617609357 0.0358922269205113 3.18001991787893 3.1775105900303 2496884.055932015 5.50835911477352 152.671637108889 12.2467975123431 -74.8741500600935 449177.796657642 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
2130-Oct-01 11:57 00:01 Earth 0.425457702126339 0.425455432229521 0.425459972061949 0.578424231481244 0.56749392443803 2499299.997832419 1.11836514080382 238.225645127111 8.56720744137841 -71.729899508643 373582.209381561 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
2153-Oct-07 08:50 00:02 Earth 0.448156736457302 0.448150427953484 0.448163045072444 0.854717585372124 0.847733043950481 2507706.867735630 2.16727243785977 475.097250695311 11.7104479938071 -54.5487882779942 470334.663148952 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
2176-Oct-14 04:25 00:03 Earth 0.481648421460423 0.481637272961191 0.481659570145473 1.33422759797199 1.33007491596017 2516114.684332920 3.01818249121771 729.88115320652 13.1414149675492 -42.5252081782417 592638.369018016 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 19:29:02 2021-Apr-13 19:29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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