+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2010 Chebyshev (1969 TL4) Classification: Main-belt Asteroid          SPK-ID: 2002010 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1899834189429505 3.5789e-08   a 3.089150793546677 1.2947e-08 au q 2.502263364158351 1.1075e-07 au i 2.397110298388778 4.3993e-06 deg node 8.532093210142806 8.3305e-05 deg peri 32.98651574830468 8.399e-05 deg M 129.066394322501 1.0103e-05 deg tp 2458489.503003271717 (2019-Jan-06.00300327) 5.4999e-05 TDB period 1983.156964799155 5.43 1.2467e-05 3.413e-08 d yr n .1815287475424111 1.1412e-09 deg/d Q 3.676038222935003 1.5406e-08 au   Orbit Determination Parameters    # obs. used (total)      2869      data-arc span      32590 days (89.23 yr)      first obs. used      1931-10-31      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45343      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:59:47   Additional Information  Earth MOID = 1.5101 au   Jupiter MOID = 1.7504 au   T_jup = 3.196  [ hide covariance matrix ] Orbital Elements at Epoch 2456943.5 (2014-Oct-13.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1874252624806845 3.5603e-08   q 2.514936772341644 1.1017e-07 au tp 2456508.138782353875 (2013-Aug-03.63878235) 5.6493e-05 TDB node 8.587816776798805 8.3368e-05 deg peri 33.68140593492914 8.4075e-05 deg i 2.395762481352194 4.3923e-06 deg   Orbit Determination Parameters    # obs. used (total)      2869      data-arc span      32590 days (89.23 yr)      first obs. used      1931-10-31      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45343      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:59:47   Additional Information  Jupiter MOID = 1.7504 au   T_jup = 3.196  Orbit Covariance (6×6)   e q tp node peri i e 1.267606742087767E-15 -3.904116181176913E-15 -5.419372970603068E-13 5.536508584228285E-15 -1.354345253264781E-13 -1.249605326256948E-16 q -3.904116181176913E-15 1.213852721820719E-14 1.560943338789566E-12 -2.135404882188862E-14 4.038383035436068E-13 4.304496256138273E-16 tp -5.419372970603068E-13 1.560943338789566E-12 3.191497879514493E-9 -5.128732760436151E-12 6.237727878221204E-10 -2.268954339085885E-13 node 5.536508584228285E-15 -2.135404882188862E-14 -5.128732760436151E-12 6.950275754382484E-9 -6.945333854374691E-9 -3.170458958950722E-11 peri -1.354345253264781E-13 4.038383035436068E-13 6.237727878221204E-10 -6.945333854374691E-9 7.06861107132969E-9 3.164365330946023E-11 i -1.249605326256948E-16 4.304496256138273E-16 -2.268954339085885E-13 -3.170458958950722E-11 3.164365330946023E-11 1.929272291990137E-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 11.62   n/a E2021B10   diameter diameter 24.649 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.065   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   B-V BV 0.705   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=15.25 deg. U-B UB 0.339   0.065 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=15.25 deg. Tholen spectral type spec_T BU:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo 2010 Chebyshev (1969 TL4)          Discovered 1969-Oct-13 by Burnasheva, B. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ 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 1924-Apr-26 17:17 00:02 Jupiter 1.82133594186745 1.8213354149387 1.82133646879578 1.93956834192147 1.68279948681803 2423902.219857202 1.87946427842314 49.7539152348652 25.542730712737 84.7374557304551 1733270.72339133 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 1934-Mar-17 15:20 00:02 Jupiter 1.85398889487467 1.85398835241903 1.85398943733167 1.94387904128615 1.69261214024388 2427514.139144610 1.63113250994608 117.02295898864 19.8820233243987 -85.4666559384472 2702460.92275344 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 1984-Sep-30 19:14 < 00:01 Jupiter 1.97183230890658 1.97183185563379 1.97183276217926 2.97249255487392 2.82428570221597 2445974.301202129 0.652435599829361 39.6143130853262 13.335694896403 84.7262109045559 2829080.13187737 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 1994-Aug-19 08:15 < 00:01 Jupiter 1.77098432204109 1.77098398382426 1.77098466025782 1.62628104313391 1.29932074442494 2449583.843476741 0.463948272643813 73.6744639909233 45.1166184374583 -86.7612802600836 2710018.26929505 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 2055-Jan-25 18:29 < 00:01 Jupiter 1.82636410210626 1.82636374921356 1.82636445499885 2.0275749849475 1.78423926850636 2471658.269799995 0.8247257273857 48.28648166926 12.639745437986 84.5896629664273 2773669.19613907 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 2064-Dec-12 08:24 00:01 Jupiter 1.83994893584075 1.83994841522213 1.83994945645989 1.86733299860368 1.6019457944913 2475266.850211552 1.01816460350018 88.0712406271863 23.7744367687757 -84.7185382174472 2588133.37577988 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 2115-Jul-01 12:31 00:02 Jupiter 1.98374464217965 1.98374387502194 1.98374540933724 3.14305027980513 3.00413079050109 2493729.021830416 1.97220903321133 43.591089215613 19.0063467178868 73.0768205033533 1604759.63213061 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 2125-May-18 00:08 00:02 Jupiter 1.76312149255306 1.76312115530066 1.76312182980536 1.61447840076775 1.28285580237496 2497337.505720408 2.2397011412668 69.6215543459334 47.3130780962318 -87.4219535835137 2770624.47865594 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 2135-Apr-13 04:12 00:02 Jupiter 1.99830774536633 1.99830670555309 1.99830878518185 2.54631618644036 2.37402323276477 2500954.674700256 2.37510797642085 134.954089583785 10.0536254721417 81.938920467037 2842211.10364607 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 2185-Oct-24 11:19 00:03 Jupiter 1.82635567474062 1.82635483931792 1.82635651016228 2.11650780632062 1.88468842568432 2519411.971376962 3.47558688643089 48.5814636491043 29.6799398150526 72.8709339610387 970206.68575144 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 2195-Sep-10 09:08 00:04 Jupiter 1.8241368071461 1.82413577734824 1.8241378369479 1.78969249826675 1.50808359670836 2523019.880560191 3.64414758420287 187.270391167373 30.0351243416473 -77.542051911992 2420048.08535003 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:59:55 2021-Feb-24 00:59 Alternate Designations  1969 TL4 = 1931 VA = 1948 YA = 1958 TF1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 21:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin