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66251 (1999 GJ2)
Classification: Amor [NEO]          SPK-ID: 2066251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 326 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979442186771158 2.9088e-08  
a 1.535596217232279 2.2456e-09 au
q 1.231633823808701 4.4808e-08 au
i 11.27814771713848 3.728e-06 deg
node 196.2020983359129 1.2487e-05 deg
peri 142.4819710348027 1.776e-05 deg
M 121.6004278569216 1.45e-05 deg
tp 2459161.727848712815
(2020-Nov-08.22784871)
2.757e-05 TDB
period 695.0466865366045
1.90
1.5246e-06
4.174e-09
d
yr
n .5179508182304537 1.1361e-09 deg/d
Q 1.839558610655858 2.6901e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1645  
   data-arc span      13268 days (36.33 yr)  
   first obs. used      1984-10-12  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48241  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:25:57  

Additional Information
 Earth MOID = .247771 au 
 Jupiter MOID = 3.56507 au 
 T_jup = 4.433 
[ 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 16.93   n/a E2021B10  
diameter diameter 1.222 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 2.4621 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]
[Polishook, D. (2012) Minor Planet Bull. 39, 187-192.]
geometric albedo albedo 0.187   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

66251 (1999 GJ2)          Discovered 1999-Apr-07 by LINEAR at Socorro
Reference: 20030910/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
1906-Aug-30 23:14 < 00:01 Earth 0.288933599603642 0.28893201372688 0.288935185481964 5.21036611134761 5.20859592148683 2417453.467966442 0.677323749285955 86.1254335927661 15.471019564452 -23.6715811436239 1818432.59478509 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
1908-Oct-21 07:28 < 00:01 Earth 0.391837264815379 0.391835314056868 0.391839215651489 6.09262294489343 6.0915067446749 2418235.811431886 0.52537986875944 292.023120205985 4.85143786897742 70.5651761979112 3734355.50982296 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
1925-Aug-01 14:13 00:01 Earth 0.368257595659017 0.36825609771693 0.368259096316975 2.63755351244443 2.63480887245827 2424364.092508823 1.20893140455479 1596.81712030951 10.9381408164456 87.3000039013583 1727280.03305961 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
1927-Oct-06 17:44 < 00:01 Earth 0.30895206472365 0.308950693074505 0.308953436475075 5.9168456142045 5.91538785927069 2425160.238713541 0.408125322942536 288.921011005081 3.51599522172401 76.3236732397057 3326942.99128792 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
1944-Jun-29 01:13 < 00:01 Earth 0.437685860071992 0.437685021201563 0.437686698942546 3.04459673099885 3.04259658019007 2431270.550763416 0.532375205095448 43.9451772076229 13.6821697926036 20.4166657775691 320644.748962836 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
1946-Sep-22 10:28 < 00:01 Earth 0.253908745072211 0.25390835437844 0.253909135776186 5.72995926635966 5.72812757378842 2432085.936245787 0.285818834542389 84.4866307038679 4.18200858291 76.9707421618982 3482806.00633303 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
1963-Jun-10 17:27 < 00:01 Earth 0.495436840394061 0.495436337841715 0.49543734294666 5.20045926946756 5.19942501942397 2438191.227256426 0.254264035104894 32.52345407489 13.6678875547993 44.7318950969824 1169855.71411394 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
1965-Sep-07 21:03 < 00:01 Earth 0.262995895029703 0.262995460071467 0.262996329988837 5.4959773179359 5.49413361347479 2439011.377393312 0.230752132633734 36.9156097315812 12.6025165702556 -59.4053000819383 2147517.14841131 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
1967-Oct-29 10:09 < 00:01 Earth 0.430030237513453 0.430029498042638 0.430030976988228 6.15591039786902 6.15490379866694 2439792.922730816 0.21265328516809 76.0571827040406 7.3398571490099 61.4888782884268 3953076.33979976 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
1984-Aug-17 05:08 < 00:01 Earth 0.334168056310523 0.334167635194244 0.334168477427809 4.25523748373092 4.2533632693149 2445929.714086770 0.248531195999013 41.6524293266631 12.6244596912395 64.9026225751034 1584757.90956423 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
1986-Oct-13 01:42 < 00:01 Earth 0.34129431303516 0.341293942499101 0.341294683580105 5.98355217868421 5.98224729566308 2446716.571141636 0.112407979216947 90.0337004925369 3.10937486660373 78.3219960067204 3461612.63543692 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2003-Jul-15 04:27 < 00:01 Earth 0.404899741726411 0.404899546976677 0.404899936476144 1.76224967674123 1.75851151331173 2452835.685634205 0.0819774475876753 21.7386444675588 9.57829228448919 -87.2141618521851 1735363.71671651 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2005-Sep-29 19:39 < 00:01 Earth 0.275965165858759 0.275964994155644 0.275965337563146 5.83462789175295 5.83297285925199 2453643.318858614 0.0337523486457098 32.2926568524612 2.79774766957495 75.4313734768515 3682451.20683808 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2022-Jun-20 09:14 < 00:01 Earth 0.466516823487013 0.4665164756092 0.466517171364825 4.14069688541113 4.13931731471428 2459750.884920666 0.0974748586938429 18.4750972089642 14.3389520233402 33.6050042353519 1140099.3294432 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2024-Sep-15 19:53 < 00:01 Earth 0.248289796766399 0.248289644777468 0.248289948755457 5.64641496478116 5.64451408872189 2460569.328603337 0.0931570697281812 29.7773278819814 7.24305602510624 85.571956967946 2739147.16752256 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2026-Nov-06 20:16 < 00:01 Earth 0.47488575004372 0.47488528008587 0.47488622000173 6.25251965314343 6.25162222575025 2461351.344294009 0.107817356739842 28.8721325055413 12.0599665094408 40.0163881270572 2990555.28456682 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2043-Aug-31 14:46 < 00:01 Earth 0.290710876115652 0.290710171198453 0.290711581033182 5.22563353898112 5.22387931506361 2467493.115090562 0.251984817275796 39.0690742869212 15.3225753903064 -28.2743305331052 1810174.39431823 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2045-Oct-21 17:16 < 00:01 Earth 0.388017566490032 0.388016664273428 0.388018468723112 6.05181933870881 6.05068454809724 2468275.219490227 0.218582478443108 134.560656529911 4.79150307113626 70.5705419898923 3641891.41254936 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2062-Aug-01 10:19 < 00:01 Earth 0.372707730895227 0.372706557179248 0.372708906301254 2.57957878371278 2.57680591926219 2474402.929798947 0.779797835972861 1278.13510886271 11.4176052736404 87.386273512574 1739505.77646886 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2064-Oct-06 02:09 < 00:01 Earth 0.30383504328561 0.303833932450662 0.303836154197241 5.91208796985011 5.91060446797943 2475199.589621578 0.299774294481792 247.533780740891 3.64777886776438 77.0963183379857 3362665.04057718 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2081-Jun-29 23:40 < 00:01 Earth 0.441716258695981 0.441715082311978 0.441717435080311 3.09092103918923 3.08896886651591 2481310.486011937 0.588344907809743 61.9035008412136 13.6199351408477 20.2852854968176 346499.178219435 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2083-Sep-22 22:34 < 00:01 Earth 0.251729641065221 0.251729128301336 0.251730153847008 5.7314143768437 5.72956729483592 2482125.440258795 0.359948629870914 110.319967789624 4.16725450480386 76.7728761881912 3458621.97499061 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2100-Jun-12 02:55 < 00:01 Earth 0.497742154209368 0.497740861661938 0.497743446758297 5.18767521137315 5.1866432145617 2488231.621193659 0.492770762652085 78.0233510573167 14.206329159988 35.0699878003021 940446.859335074 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2102-Sep-10 01:03 < 00:01 Earth 0.262032594510672 0.262031512110178 0.262033676921458 5.5294684816337 5.52762920993302 2489051.543917716 0.502831527380994 99.9919713307397 12.5280798440535 -58.0388584736895 2064543.05898338 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2104-Oct-30 12:10 < 00:01 Earth 0.429723610126402 0.429721539346999 0.429725680928863 6.10677175465093 6.10575633032948 2489833.006800723 0.531014898158217 188.337582507631 8.33725371496993 56.8382847260383 3693112.6856046 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2121-Aug-20 03:35 00:01 Earth 0.332317444395555 0.332315003359469 0.332319885465775 4.39138333979806 4.38955714046547 2495970.649303320 1.19336471499567 208.421304424911 14.4298237115085 54.378405989749 1654347.97875852 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2123-Oct-15 10:30 < 00:01 Earth 0.341583054087844 0.341580596397966 0.341585512220463 5.98133773039384 5.98003346771516 2496756.937167420 0.633518447535005 625.645248111688 3.20354696607259 78.7067251047119 3406335.5365489 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2140-Jul-13 03:07 00:01 Earth 0.414579340590587 0.41457707060237 0.414581610597728 2.01074474600932 2.00754589988381 2502872.630113381 1.40895417502752 180.598784468709 12.7700828468097 52.2029040589294 900183.428379387 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2142-Sep-29 21:42 < 00:01 Earth 0.267641506790823 0.267639769734733 0.267643243941589 5.81063594656445 5.80892238676209 2503681.404184856 0.658257363210058 265.739050463323 3.23580430420781 70.9896864557777 3595037.91372608 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2159-Jun-21 09:32 < 00:01 Earth 0.472963583209446 0.472961484667419 0.472965681754404 4.27650751397058 4.27518997848782 2509789.897257912 0.943020225003508 120.219070866148 14.3218594132417 29.9756330377348 596291.514116803 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2161-Sep-17 04:17 < 00:01 Earth 0.247337943320296 0.247337486978581 0.247338399701841 5.66188604387614 5.65998306714702 2510608.678413888 0.713740096384863 171.756487982721 8.94264594091545 -82.9893394168565 2589419.08993549 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2163-Nov-08 10:33 < 00:01 Earth 0.471360178852672 0.471357113973408 0.471363243745601 6.17979484494713 6.17888006306576 2511390.939743016 0.813040617853965 198.64710315891 11.6560570725792 39.7889915780635 3029022.65031138 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2180-Sep-02 10:41 00:01 Earth 0.287914123760662 0.287911079419673 0.287917168107297 5.30442190596313 5.30267695685214 2517533.945453849 1.16478061636356 164.697136257641 15.3382093794421 -22.8658317369657 1637044.71957343 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2182-Oct-24 07:21 < 00:01 Earth 0.389500562293767 0.389496736015756 0.389504388881148 6.03752027862982 6.03638713118862 2518315.806526658 0.983665031432384 579.913494136916 4.95398912877255 70.7968087831685 3660220.61560018 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
2199-Aug-04 06:46 00:03 Earth 0.373356076321125 0.373352128030318 0.373360044802298 2.72682421954414 2.72420579203166 2524443.781634721 2.87057646657487 4343.20981860894 11.2954543680893 87.364993516776 1785166.09040523 T 326 CATAB v2.0g-lin.ifort 2021-Apr-18 06:26:01 2021-Apr-18 06:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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