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JPL Small-Body Database Browser
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(2020 BW8)
Classification: Apollo [NEO]          SPK-ID: 3989201
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3063942560946392 0.0004849  
a 1.270725973448349 0.00067871 au
q .8813828341135057 0.00014543 au
i 2.38981286091278 0.0035781 deg
node 304.3033129996099 0.0010963 deg
peri 111.9034428569795 0.0062972 deg
M 126.3075382418065 0.10779 deg
tp 2458816.929429663187
(2019-Nov-29.42942966)
0.0095888 TDB
period 523.210302735352
1.43
0.41918
0.001148
d
yr
n .6880598453774975 0.00055126 deg/d
Q 1.660069112783192 0.00088667 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      23 days  
   first obs. used      2020-01-22  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .41972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-14 04:59:11  

Additional Information
 Earth MOID = .00841247 au 
 Jupiter MOID = 3.68433 au 
 T_jup = 5.035 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.964   .53638 6 autocmod 2.8

[ 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
1986-Aug-25 06:18 5_23:41 Earth 0.345404356507844 0.231018143291304 0.460117080327366 17.6012259294903 17.6007876541503 2446667.762470821 8620.74445115881 5736619.98691989 147.984240562763 -5.01562502176779 26826.9268564811 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
1997-May-30 12:27 6_22:10 Mars 0.0841311477250585 0.0806442875655246 0.147912403596154 6.63045685605668 6.62994361341852 2450599.018751386 9969.96993482604 4988422.75224579 172.694006586117 73.4570035354675 73972.7452858218 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2007-Feb-02 19:44 7_09:42 Earth 0.303504959323353 0.150695103756415 0.456308159903906 16.6011468413637 16.6006180122078 2454134.322019330 10662.0400162307 7619514.15745977 28.0777707429093 0.120342852672789 2638.20795075878 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2019-Aug-03 03:25 02:12 Earth 0.374394459668712 0.372592724900444 0.37619619225993 5.6247504004382 5.6234849983625 2458698.642669008 132.472525597751 89833.8893647675 146.777524401898 -0.953127183650421 4089.63864917258 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2020-Jan-12 17:02 00:03 Earth 0.0115463719744305 0.0114941386662305 0.0115986010083167 7.24057186256496 7.20863053715018 2458861.209651951 3.1895670885332 2580.78956558359 19.7734203793718 0.582291601277059 384.411810265497 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2022-Aug-19 13:41 2_04:42 Earth 0.44816060494756 0.404881371967364 0.491469375354868 20.6012051880527 20.6009165928595 2459811.070123730 3161.6266819562 2166507.11015138 160.910681698489 -4.79317594752804 31128.4197295233 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2030-Jan-26 19:33 8_18:33 Earth 0.173211447132192 0.0203778957232909 0.326516164524652 12.6747885318106 12.6735748192723 2462528.314702699 12632.5521999551 7646222.67729439 17.3772801126617 -1.73448940840684 40183.6804447982 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2051-Dec-17 20:28 4_23:57 Mars 0.0903665714781824 0.0820990581718747 0.167091799273267 6.74706355042951 6.74659398221287 2470523.352808936 7197.23199674445 5374479.69254283 169.773516339844 65.3078956192271 76761.852477141 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2082-Jul-29 23:24 22:35 Earth 0.38715666743107 0.380054044325224 0.394266645930494 5.95381912345158 5.95266308536586 2481705.475208134 1355.48287905631 364218.753668654 558.005003351142 -13.4342978805501 12730.3169913798 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2083-Jan-15 10:03 2_00:27 Earth 0.0151301697175416 0.0102344246060985 0.0216415081438442 7.84888196202029 7.82641300927595 2481874.918612705 2907.27128812598 378762.414239159 123.045160609234 -37.7681736534247 10649.6952426448 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2085-Aug-25 02:25 5_07:04 Earth 0.358580771347325 0.27875672854427 0.438563410551482 17.9432484085773 17.9428342856247 2482827.600581658 7623.63229938819 4002165.08165532 287.925171446674 -5.27241493229941 15017.3391839195 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2125-Sep-17 19:59 1_09:23 Mars 0.0407214345339637 0.0260483312010941 0.104403080931553 6.642466504238 6.64140801036347 2497460.332886286 2002.50002067288 3480833.70923304 111.878405043714 -39.7770452156428 30625.3394474821 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2129-Feb-04 01:29 2_22:33 Earth 0.302029188490253 0.281031929200847 0.323048056704203 16.5392772179686 16.5387438168555 2498695.561541699 4232.65063140922 1055305.02869049 482.536848138552 6.93459340604273 9790.63719753293 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2130-Dec-25 12:26 8_08:31 Mars 0.0923064940196878 0.0881144077161666 0.103691064426395 5.58061365110551 5.58005785742974 2499385.018256347 12030.6344033531 1354275.62149903 138.113316868775 -72.6636714378397 110425.914184102 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2131-Sep-12 04:35 2_04:17 Earth 0.0840347077980745 0.0531794605420245 0.11832108110687 9.72643250846371 9.72317209347281 2499645.691147336 3136.49739413648 1833691.93790092 211.339947342649 -25.3593621155583 24521.6139940434 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
2132-Mar-12 02:44 6_01:32 Earth 0.423411024765983 0.401169130149211 0.445854809595658 6.81005433742479 6.80913021590133 2499827.613633452 8732.35010790965 1205794.18555854 438.604623460537 22.4982796220086 29352.1306410237 T 6 CATAB v2.0f-lin.ifort 2020-Feb-14 04:59:13 2020-Feb-14 04:59
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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