Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
20236 (1998 BZ7)
Classification: Apollo [NEO]          SPK-ID: 2020236
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5586814035294958 6.2621e-08  
a 2.036151984931348 1.7644e-08 au
q .8985917361905337 1.2546e-07 au
i 6.501340479450019 7.2796e-06 deg
node 111.5041454654391 5.4892e-05 deg
peri 104.2233903883087 5.9886e-05 deg
M 287.6728843746234 4.0981e-05 deg
tp 2459413.712351548609
(2021-Jul-18.21235155)
0.00012357 TDB
period 1061.2402540019
2.91
1.3794e-05
3.777e-08
d
yr
n .339225730123271 4.4093e-09 deg/d
Q 3.173712233672162 2.7502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      8409 days (23.02 yr)  
   first obs. used      1998-01-24  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51351  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:15:47  

Additional Information
 Earth MOID = .0519852 au 
 Jupiter MOID = 1.83178 au 
 T_jup = 3.586 
[ 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 17.66   n/a MPCxxxxx  
rotation period rot_per 10.182 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) http://www.asu.cas.cz/~ppravec/neo.htm]

20236 (1998 BZ7)          Discovered 1998-Jan-24 by JPL/GEODSS NEAT at Haleakala
Reference: 20010109/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
1905-Jun-12 13:24 00:02 Earth 0.0680588504271519 0.0680536292463338 0.0680640722976427 11.3977486906275 11.3943133158279 2417009.058088887 1.96384419767387 430.466028722329 20.8386791380779 52.8613730794838 410223.865713625 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1908-Feb-19 15:47 < 00:01 Earth 0.225519832763475 0.225509228963044 0.225530436646461 18.4648185356632 18.4641786680971 2417991.157452146 0.913179366070291 570.900738894488 13.2434576324765 -22.1594830822854 899669.613143279 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1911-May-18 00:48 < 00:01 Mars 0.0647283538339474 0.0647176429240906 0.0647390648332868 16.7156480200891 16.7153834188641 2419174.533293580 0.708607026927552 547.447740817033 20.0594219236366 -12.6816553332157 106609.50793862 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1925-Apr-26 07:13 < 00:01 Mars 0.0813924611478931 0.0813858945073318 0.0813990284318654 16.4026393200861 16.4024248774607 2424266.800622557 0.759657090440346 488.254310196094 27.6394990665316 47.9815908430541 325868.228114594 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1931-Jul-13 18:34 < 00:01 Earth 0.394293589076764 0.394280828942059 0.39430634921669 23.6356856613171 23.6353997528203 2426536.273489657 0.899678016269441 640.296802683032 23.6459064755319 -6.4183292392691 270432.060753041 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1934-Apr-29 00:17 00:05 Earth 0.155679988039831 0.155678845222474 0.15568113086017 9.91146583137073 9.90973888235585 2427556.511914030 4.83618374250767 67.3648031645168 18.2849885791688 -33.6498090019642 647703.163682039 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1937-Feb-09 07:06 < 00:01 Earth 0.405000245434584 0.404987536021387 0.405012954863942 23.9914899539964 23.9912157319722 2428573.796002600 0.886607623417085 646.49339553289 13.010714509634 -11.3928544862771 856769.952150359 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1963-Jun-02 14:39 00:03 Earth 0.0981518009249461 0.0981455864024893 0.0981580155200061 10.0311497164558 10.0284431296143 2438183.110154368 2.9124163292459 337.388606299735 19.5981174625097 23.3146819147679 338292.255589583 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1966-Feb-22 05:32 < 00:01 Earth 0.222629284609179 0.222620498636157 0.222638070651222 17.7711847511364 17.7705112754625 2439178.730251305 0.764591299864134 479.78717929756 14.0175613392961 -24.0691410217235 903370.827854307 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1976-Jun-23 21:16 < 00:01 Jupiter 1.89302473612984 1.89302320776026 1.8930262645006 2.53817732113288 2.35530383712586 2442953.386073512 0.871542588814653 116.422961215422 45.6924135012935 -46.644036547904 3080724.34917103 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1988-Jan-22 09:08 < 00:01 Jupiter 1.82582794745051 1.82582746136897 1.82582843353288 2.52714377727249 2.33637170597199 2447182.880415643 0.464460540242872 102.020371732867 34.3170032567307 -77.092602948168 3288535.92728406 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1995-Jun-21 14:31 < 00:01 Earth 0.0797459220610523 0.0797447826068248 0.0797470615215217 13.498077487165 13.4956019367078 2449890.105156580 0.0719335284098975 68.2216238669099 20.6054301820885 -35.4964502904382 347882.956448429 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1998-Mar-05 16:21 < 00:01 Earth 0.113030224097036 0.113029901195688 0.11303054699839 13.2652685752877 13.2634913977578 2450878.181025003 0.0866945139263563 16.2198535605707 10.6769335092875 9.20189361156664 1058082.57410623 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
1999-Aug-22 22:56 < 00:01 Jupiter 1.88976495345432 1.8897641318364 1.88976577507235 2.56366788058824 2.38242762769685 2451413.455298997 0.165883216240242 86.6860485607786 44.2577048956524 88.69542359984 2401270.83967652 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2027-Jun-12 11:03 00:01 Earth 0.0676664926759093 0.0676624971020728 0.0676704884287877 11.0637187067244 11.0601590555987 2461568.960149200 1.47158351372802 264.834994979439 19.8630257308736 41.3376657843445 362496.861963528 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2030-Feb-21 11:40 < 00:01 Earth 0.230179849514738 0.230172727989907 0.230186971088047 18.3745945226417 18.3739645310748 2462553.986268342 0.712390752653862 392.302010030415 14.3068653056571 -25.1672847434571 959786.301766515 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2053-Jul-12 08:00 < 00:01 Earth 0.333445142423447 0.333433787445725 0.333456497408352 22.0122211049385 22.0118580873426 2471095.833002579 0.971876615074717 571.466550693847 24.0753180395011 -7.77773436786022 270026.421485875 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2056-Apr-10 19:46 00:05 Earth 0.150864925708241 0.150861998357523 0.150867853128337 9.82085381998335 9.81905530278404 2472099.323537387 4.71719835202192 218.309311023147 16.0510821716027 48.2118493234761 1041687.2528004 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2082-Jun-25 09:20 00:01 Earth 0.0828669405636568 0.0828584800489393 0.0828754014681491 14.324334517048 14.3220896499785 2481670.888602758 1.3327154897064 508.467245020292 21.5080772274493 -33.9670001944405 306497.940301362 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2085-Mar-04 00:00 00:01 Earth 0.117764490565751 0.117759513397596 0.117769468260279 13.8267997705643 13.8251633232556 2482653.499775878 1.17355053273513 465.073984194588 14.503081810533 -57.793360175863 1014761.42927592 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2107-Feb-24 11:12 < 00:01 Jupiter 1.96482952320596 1.96482819688215 1.96483084953032 2.55432202984872 2.37957492125781 2490679.966755799 0.539947366382652 90.4387681505963 50.2817723992338 -40.7984909472694 2544084.4155071 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2111-Jul-18 05:17 < 00:01 Earth 0.447636664332956 0.447630575065235 0.447642753601059 24.7765877101846 24.7763474690792 2492284.720368158 0.407846027429979 304.391003750806 27.5071764652607 -4.0309501510683 256710.677315782 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2114-Jun-01 18:15 00:02 Earth 0.100363604946387 0.100358773796513 0.10036843610508 9.76698455945168 9.76426601744324 2493334.260477261 2.45347351009799 245.46467795373 18.7162566472268 11.0555003543188 185885.393688407 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2117-Feb-23 01:25 < 00:01 Earth 0.262480840260678 0.2624722567905 0.262489423775452 18.9089346769352 18.9083978258284 2494331.559018623 0.717391108338363 460.81265348828 14.0079893638846 -21.7585701808962 958100.045005267 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2118-Sep-20 23:17 00:01 Jupiter 1.84071617630803 1.84071539926517 1.84071695335331 2.53884853897075 2.35062406041394 2494906.470089593 1.19807862305844 130.297465792905 36.8924897607039 -73.3694420322929 3440284.11034111 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2130-Apr-19 09:50 00:02 Jupiter 1.84358564452107 1.84358429107687 1.84358699797125 2.55285421422238 2.36604705107693 2499134.909715049 1.75722616028522 214.130648287678 45.6831938971323 76.1365410971583 2832485.29777631 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2141-Nov-09 20:21 00:03 Jupiter 1.98366514620431 1.98366117130428 1.98366912111878 2.56489822073114 2.3926356617019 2503357.347881039 2.54722004737552 345.842664527212 53.480147210765 56.0033356367545 2192855.02349895 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2146-Jun-13 13:11 00:05 Earth 0.0629862010525338 0.0629723379957416 0.0630000662564481 10.9185331392 10.914658067709 2505034.049523160 4.788695895584 902.575175737612 19.6846801698765 40.0072946872488 330184.473042043 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2149-Feb-25 09:14 00:02 Earth 0.22767544200766 0.227653442146828 0.22769744241438 17.915935972069 17.9152827443817 2506021.884382409 2.12283475956638 1229.89716852213 14.5329398794933 -26.8810235232359 983813.414024698 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2172-Jul-21 12:15 00:02 Earth 0.465496105244431 0.465465369296015 0.465526841202398 25.767603373417 25.7673812347558 2514569.010613384 2.20823001715686 1536.28344912893 23.9885050975658 -3.9342260701772 188956.320169366 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2175-May-18 00:18 00:12 Earth 0.140051253359527 0.140039839348191 0.140062667420492 9.84287692196096 9.84094385921799 2515599.512239587 11.6423827965197 584.17607469392 18.4302499874218 -13.0288386856032 238020.289191102 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2178-Feb-14 12:34 00:02 Earth 0.396050423723063 0.396021257346147 0.396079590239266 23.6634096363477 23.6631253296037 2516603.023765981 2.18695956357473 1500.83690848455 14.2432982032495 -14.2913774230987 950235.166897226 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
2178-Jun-18 21:31 00:02 Mars 0.0356634656947655 0.0356381637739457 0.0356887701885053 16.1766394914006 16.1761432408488 2516727.396689259 1.96044490607304 1349.1791515801 18.2058345372299 20.7399094649216 103343.990676521 T 41 CATAB v2.0f-lin.ifort 2021-Apr-13 03:15:51 2021-Apr-13 03:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-15 05:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin