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523811 (2008 TQ2)
Classification: Amor [NEO]          SPK-ID: 2523811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 91 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4194680698088678 2.5712e-08  
a 1.843825288340112 3.1815e-09 au
q 1.070399453575306 4.7672e-08 au
i 3.872325648156964 2.3261e-06 deg
node 225.4097101779056 4.3253e-05 deg
peri 235.3510788407035 4.8495e-05 deg
M 204.345282369315 5.6497e-06 deg
tp 2459395.901092272435
(2021-Jun-30.40109227)
1.4242e-05 TDB
period 914.4881400627436
2.50
2.3669e-06
6.48e-09
d
yr
n .393662841789616 1.0189e-09 deg/d
Q 2.617251123104918 4.516e-09 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      3835 days (10.50 yr)  
   first obs. used      2008-10-03  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-09 07:33:33  

Additional Information
 Earth MOID = .103259 au 
 Jupiter MOID = 2.57631 au 
 T_jup = 3.900 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457699.5 (2016-Nov-07.0) TDB
Reference: JPL 91 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4198268936502149 2.6021e-08  
q 1.069863877038039 4.7933e-08 au
tp 2457566.789765769864
(2016-Jun-27.28976577)
1.5179e-05 TDB
node 225.5226202915503 4.3152e-05 deg
peri 235.1484189650232 4.8403e-05 deg
i 3.877259470477987 2.3283e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      3835 days (10.50 yr)  
   first obs. used      2008-10-03  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-09 07:33:33  

Additional Information
 Jupiter MOID = 2.57631 au 
 T_jup = 3.900 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.770678585440155E-16 -1.246396776982654E-15 -1.691813730632185E-13 2.791520542429684E-13 -4.878230575198091E-13 -1.480653876709521E-14
q -1.246396776982654E-15 2.297591957676015E-15 3.003679382137833E-13 -5.09007729405666E-13 8.850689697032055E-13 2.774066331119288E-14
tp -1.691813730632185E-13 3.003679382137833E-13 2.303878193000295E-10 -1.199320602052976E-10 3.406879609705656E-10 -5.395678711807538E-12
node 2.791520542429684E-13 -5.09007729405666E-13 -1.199320602052976E-10 1.862130090031088E-9 -1.992513808416922E-9 2.924651175704044E-11
peri -4.878230575198091E-13 8.850689697032055E-13 3.406879609705656E-10 -1.992513808416922E-9 2.342821014019123E-9 -3.216322357317586E-11
i -1.480653876709521E-14 2.774066331119288E-14 -5.395678711807538E-12 2.924651175704044E-11 -3.216322357317586E-11 5.420912526353235E-12

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 20.9   n/a MPO473044  
rotation period rot_per 1.238 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Statler, T.S.; Cotto-Figueroa, D.; Riethmiller, D.A.; Sweeney, K.M. (2013) Icarus 225, 141-155.]

523811 (2008 TQ2)          Discovered 2008-Oct-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-10-30

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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
1901-Feb-08 19:13 < 00:01 Earth 0.499376030967796 0.499373606418983 0.499378455516865 17.4500594885103 17.4497537208454 2415424.300419550 0.222610148000611 122.2239178972 8.56126222157355 8.46487940207291 1179450.76692579 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
1901-Jun-04 23:49 < 00:01 Mars 0.0808774534138703 0.080877058627489 0.0808778482151792 12.0504782443204 12.0501844930666 2415540.492077392 0.200532315947607 79.7098564815696 13.8759884677819 79.7518518192051 856499.539832136 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
1908-Dec-13 14:00 < 00:01 Mars 0.0835425770867023 0.0835420361678014 0.0835431180243707 12.1871296484748 12.1868484571631 2418289.083656252 0.196453206402482 77.7787935083657 13.9477328588663 72.4386196749582 852182.920347065 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
1916-Jun-23 00:53 < 00:01 Mars 0.0881155474274255 0.0881148568312522 0.0881162380411696 12.3517709745377 12.3515079301518 2421037.536845814 0.191855766224263 76.1367744983624 13.9901780745372 65.1362255277534 852898.141160171 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
1924-Jan-01 21:53 < 00:01 Mars 0.0958437357977252 0.095842885296292 0.0958445863131873 12.5809246202678 12.5806871911432 2423786.411964256 0.187088354733273 74.507965376109 14.0151284199136 56.8384270225437 855921.686982363 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
1998-Nov-26 06:34 < 00:01 Earth 0.41427451142098 0.414273735882041 0.414275286959968 15.0751342248006 15.074707577403 2451143.773932366 0.149090218074937 39.5558139633747 17.0385652102996 13.4759092407462 1389989.26657585 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
1999-Feb-20 12:41 < 00:01 Earth 0.453981398575682 0.453980728561049 0.453982068600303 1.09947739165448 1.09412625385566 2451230.028139068 0.210875005561413 113.959893820392 5.05757778642124 -76.1059501030972 319519.517705666 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2003-Dec-02 20:35 < 00:01 Earth 0.308126715792306 0.308126104375715 0.308127327208914 11.8601647527089 11.8594356215975 2452976.357812266 0.138252150148122 30.9147299425718 14.6330473349362 10.859834412818 1203146.25979705 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2008-Dec-08 11:40 < 00:01 Earth 0.213337350078599 0.213336921214529 0.213337778942669 8.92050930595429 8.91910910652762 2454808.985803572 0.122530779261376 21.4257666240302 11.7955803224007 4.40511824913149 1108711.99284318 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2013-Dec-14 11:51 < 00:01 Earth 0.153465485289514 0.153465211147239 0.153465759431807 6.82438865763829 6.8218440615102 2456640.993474447 0.106012492289821 14.0289716755829 8.20378929560592 -16.1265544553202 1362938.95438757 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2018-Dec-19 11:01 < 00:01 Earth 0.121418729631741 0.121418512879138 0.121418946384385 5.51823725465458 5.5142590888904 2458471.959055304 0.0898257810448762 11.5053473659869 5.16255709469469 -22.5177442806951 1912427.38649054 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2023-Dec-23 23:45 < 00:01 Earth 0.106585566483196 0.106585366998218 0.106585765968185 4.7298874591899 4.7245992820122 2460302.489563470 0.0890089272429474 10.1705961124774 5.20246053442969 -13.9983160448021 1415418.48746595 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2028-Dec-25 02:08 < 00:01 Earth 0.1039573342163 0.103957141465938 0.103957526966669 4.49049771827065 4.48478636512442 2462130.588666178 0.130384532310212 9.67587949014186 5.53882264554445 -8.29434587076521 1085211.1363172 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2033-Dec-26 17:57 < 00:01 Earth 0.103732863149911 0.10373268163104 0.103733044668789 4.34389164431684 4.33797448991135 2463958.247603066 0.23959089493661 9.09826695549216 5.53794170646155 -7.89814342317034 857645.37042041 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2036-Nov-08 01:02 < 00:01 Mars 0.0766803318685447 0.0766796119737439 0.0766810517898075 12.1543411630729 12.1540339807158 2465005.542923549 0.127104617213867 85.0620119936123 13.9732020934041 66.7902303419445 752611.374576617 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2038-Dec-27 08:42 < 00:01 Earth 0.10316084736714 0.103160646654169 0.103161048080112 4.32808518735732 4.32211344074776 2465784.862281646 0.48661150847579 10.0344641962402 6.46796045653613 8.64035544484607 549189.70209374 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2043-Dec-27 07:12 00:01 Earth 0.102296835233148 0.102296403529743 0.102297266937029 4.38914249669291 4.38320416613973 2467610.800216066 1.01981367211372 24.5079802162754 7.17770363245115 30.9148104537155 464594.457104573 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2048-Dec-25 13:20 00:02 Earth 0.104347121002765 0.104345380611533 0.104348861400219 4.49224836519761 4.48656058047097 2469436.055256451 1.99253237986937 95.7018147833425 7.05826936582869 25.6507106185056 466259.621811981 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2053-Dec-23 08:23 00:04 Earth 0.110223137337818 0.110215921075411 0.110230353664527 4.83374710434141 4.82874352837171 2471259.849595595 3.55964499577243 383.590822731173 7.42904987333312 20.6841434411638 465505.813772143 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2058-Dec-19 13:36 00:05 Earth 0.128000275566358 0.127977637931255 0.12802291352004 5.70381927115291 5.70016858329237 2473082.066397761 5.38305191246721 1172.93784804339 8.42862406368802 16.0056027942133 412909.040079434 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2063-Dec-14 09:03 00:07 Earth 0.17312898844431 0.173083299196113 0.173174678179255 7.44503890725432 7.4429714530493 2474902.877076569 6.62384386097459 2323.8959319543 10.5245192861579 11.4935840368335 338813.383263939 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2068-Dec-07 21:41 00:07 Earth 0.240913571084861 0.24085003114874 0.240977111369845 9.73988388605164 9.73874829325141 2476723.403526332 6.85583710824045 3201.30162159417 12.6688452276182 8.28415471217574 294744.85973389 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2073-Dec-01 10:12 00:07 Earth 0.340804179651208 0.340729186777721 0.340879172740369 12.896083397156 12.8954771358931 2478542.924883184 6.67855156686637 3763.95743564554 15.4907883459731 6.56064792529851 285756.563757784 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2078-Nov-24 17:31 00:07 Earth 0.453937189138771 0.453855920811795 0.454018457659608 16.3956884078431 16.3953304007115 2480362.229990160 6.85349753003701 4079.43804564014 18.8938559830321 6.60286372985124 332643.772914199 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2079-Mar-01 16:39 00:16 Earth 0.48583848502933 0.485777205002909 0.485899766207201 2.47670257423149 2.47448723181432 2480459.193701602 15.7395213290538 3275.86681962831 10.0130419640697 -22.7102962051929 370575.267132359 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2111-Jan-26 02:11 00:07 Mars 0.0737032603154772 0.0736514418496416 0.0737551278460538 12.6032410642186 12.6029328571788 2492111.591025852 6.77541981790955 3959.27839986195 13.110535971249 -49.2365127615735 630833.94284442 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2170-Nov-09 01:30 00:13 Earth 0.482574022112852 0.482523326876645 0.482624717429542 2.84472187324284 2.84278028631859 2513948.562377397 12.6845138392401 2547.04068621265 25.3120437800888 9.09264573586459 97565.3148704421 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2171-Feb-11 04:19 00:06 Earth 0.461351916644122 0.461286416707834 0.461417416828758 16.1564479621569 16.1560904926955 2514042.679665138 5.95475416034127 3309.5514763706 8.20102270255069 9.29520351471959 1094931.16001562 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2176-Feb-04 16:24 00:06 Earth 0.357652351293116 0.357594065678147 0.357710637209968 12.8494232704054 12.8488434714412 2515862.183424494 5.71164800737034 2952.3047192632 7.28054602375767 10.1343040667177 984583.388812417 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2181-Jan-27 15:27 00:06 Earth 0.256683330123098 0.256635609307485 0.256731051366497 9.61269177520181 9.61161184902 2517681.143472333 6.09078020513094 2436.35688460061 6.39514281088016 12.4386751824556 913644.538977661 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2186-Jan-19 10:32 00:06 Earth 0.174443651033645 0.174411482718978 0.174475819795126 6.70631909745636 6.70404113406366 2519498.939100605 6.19659943162709 1663.45085388915 5.54377380477736 15.4883642188678 786778.928927612 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2191-Jan-11 17:00 00:05 Earth 0.13009632254228 0.130081698864817 0.130110946374405 4.9240678370845 4.91990674958633 2521317.208315891 4.90640978067008 762.792117918016 5.19038800583855 17.374141179974 645985.604727046 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
2196-Jan-06 00:03 00:02 Earth 0.111086539044874 0.111082923349412 0.111090154752977 4.22219679217568 4.21651212674757 2523137.502246380 2.23588439564876 189.758136312725 5.29050486890644 18.4911571131735 678104.758149074 T 91 CATAB v2.0e-lin.ifort 2019-Apr-09 07:33:40 2019-Apr-09 07:33
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