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(2005 WK56)
Classification: Apollo [NEO]          SPK-ID: 3305029
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3925190699635189 7.9803e-07  
a 1.621241643056425 2.1445e-06 au
q .9848733811377901 1.1709e-07 au
i 5.34825716416365 1.7027e-05 deg
node 76.45797546442884 2.1936e-05 deg
peri 321.6947828079898 5.4052e-05 deg
M 19.98152154815168 0.0049848 deg
tp 2458958.649937829890
(2020-Apr-19.14993783)
0.010357 TDB
period 753.9977546221122
2.06
0.001496
4.096e-06
d
yr
n .4774550027412541 9.4732e-07 deg/d
Q 2.257609904975061 2.9862e-06 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   # delay obs. used      1  
   # Doppler obs. used      2  
   data-arc span      26 days  
   first obs. used      2005-11-30  
   last obs. used      2005-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .42952  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:09:45  

Additional Information
 Earth MOID = .0318646 au 
 Jupiter MOID = 3.1715 au 
 T_jup = 4.232 
[ 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 22.6   n/a MPO97989  

[ 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
1902-Aug-24 14:38 00:40 Earth 0.459713075879911 0.458894220840037 0.46053202265815 19.6139473371297 19.6136518328557 2415986.109683659 39.8268426575662 42099.7671886512 46.3854942159882 14.0824392344448 315707.412430362 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
1904-Sep-26 15:58 03:47 Earth 0.106449783034812 0.105927602086158 0.106976754386631 7.62417654640518 7.62089281091119 2416750.165283374 226.650933171017 44191.040817216 43.7528129043207 53.725949686589 246225.749711644 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
1906-Dec-14 03:10 01:27 Earth 0.203351150919818 0.202264795436638 0.204437508995385 12.651089837584 12.6500540861087 2417558.631934270 86.6886022714082 54184.3187681491 9.37900867383206 -1.37990150200422 66365.0520767795 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
1935-Aug-31 21:21 01:42 Earth 0.349173811799174 0.347486717280484 0.350861738440572 16.2630956531283 16.262626436125 2428046.389832545 101.995317835294 88338.1592247971 45.7041873647931 17.7206991853315 297551.532665046 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
1937-Oct-29 03:56 14:22 Earth 0.0649709375513312 0.0642221745219715 0.0657276499088274 5.9127338202874 5.90579381432504 2428835.663558886 862.112325636709 51911.2162678928 28.1372517264403 43.6943565120653 206383.827510976 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
1939-Aug-13 02:50 1_12:37 Earth 0.489906273875999 0.488620142122481 0.491194241290805 4.11837214893871 4.11705132961208 2429488.618035060 2196.57601560666 79724.5884338629 43.3067707553592 -36.3185824308586 523797.370598536 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
1939-Dec-20 15:13 01:46 Earth 0.29994301107517 0.298116372432041 0.301769717867777 15.5556606278038 15.5550895528386 2429618.134065573 106.20724514265 91367.3742079456 9.49376190619786 -4.5017353623595 331382.488896037 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
1968-Aug-28 17:33 01:05 Earth 0.393806126705898 0.392612733736808 0.394999828108624 17.5984217092019 17.5980372405704 2440097.231323483 64.6353050665948 62002.8721270957 45.3806492315839 16.282975956871 313846.541560159 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
1970-Oct-11 03:29 07:32 Earth 0.0834643567914367 0.0830572783959416 0.0838792920567224 6.40044845848195 6.39545880693664 2440870.645450309 452.279189762533 45299.1702606674 38.3562276976673 63.1262147806356 241529.467090009 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
1972-Aug-24 17:23 3_08:38 Earth 0.442684275429129 0.441753150979546 0.443617601661324 1.97901666441806 1.97597295695938 2441554.224526284 4838.40817187255 67739.8127654302 42.4732320079123 -46.1311520343579 201821.987515674 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
1972-Dec-16 11:14 01:20 Earth 0.238194045708873 0.237035920930415 0.239352187226527 13.6917266138829 13.6909095872851 2441667.968358946 80.0680682933664 57837.1973070614 9.28669526443556 -3.1758623464661 185981.34449701 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2003-Sep-10 22:45 00:06 Earth 0.223586110509336 0.223518341913052 0.223653884143536 12.2131964123629 12.2122206242037 2452893.447898999 6.38449468305633 3771.27247291875 45.230199130143 26.3606312493478 273025.914604541 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2005-Nov-28 17:33 < 00:01 Earth 0.0430229114129567 0.04302284397593 0.043022978850157 7.59871585132767 7.5905611989477 2453703.231479303 0.0663336061997647 11.4825897974534 3.08112492468374 83.1565172796169 734299.672781097 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2007-Dec-28 20:27 00:03 Earth 0.439889319233105 0.439811918491735 0.439966720172588 19.6507752030202 19.650466960421 2454463.352238528 3.41231145252844 3887.63930960681 9.89669755078218 -6.88606240913932 736411.915857486 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2034-Aug-26 20:08 00:50 Earth 0.448163282339013 0.447144320944234 0.449182408362713 19.2461096448465 19.2458007315413 2464201.338585440 49.5577153334294 52589.8393977391 45.1594371840896 14.9294875308823 333442.35883967 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2036-Sep-30 23:27 04:52 Earth 0.100182278592155 0.0996353694093289 0.10073587069734 7.295690679968 7.29204428605535 2464967.476756904 291.574756043586 49178.8994663606 41.8694707529757 56.1091593721522 248012.694693297 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2038-Dec-15 23:53 01:28 Earth 0.21212353107969 0.210959173290336 0.21328790173606 12.8932407556386 12.8922664890137 2465773.495126952 88.4413116061943 58120.5567714442 8.89279063104231 -2.64864200645902 143091.919250593 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2067-Jun-24 14:03 00:45 Mars 0.0683358916342322 0.0678345054537059 0.0688440302717207 8.29201393733874 8.29150868244393 2476191.085106701 44.752126834199 42202.6697505148 46.925705895817 -53.3829160958098 178116.99275217 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2067-Aug-31 17:21 00:51 Earth 0.380365225578338 0.379439759610657 0.381290898900452 17.1879613899049 17.1875538291752 2476259.223213501 51.3615766926575 48232.3050517051 45.1688419674629 16.8844104417441 314569.587202694 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2069-Oct-19 00:52 06:55 Earth 0.0755414799764113 0.0752029311229628 0.0758843537446726 6.12835748938084 6.12259928791564 2477038.536198065 415.489033988762 33193.9514321055 34.6394436078026 59.2382371274167 231902.968171264 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2071-Aug-19 13:30 1_04:15 Earth 0.467108704386783 0.466395231671221 0.467822818418581 3.2641023241474 3.26235430197905 2477708.062677818 1694.84378608876 44858.014087529 44.1890100826126 -37.3383896081831 384822.162600001 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2071-Dec-20 03:21 00:59 Earth 0.268650307360224 0.267691283806928 0.26960935192086 14.5912208462262 14.5905411051728 2477830.639535477 59.4885508527521 47969.6563642398 9.16713183554736 -4.51101825013426 307240.726889368 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2100-Aug-27 04:59 00:28 Earth 0.462195100441657 0.461600764881403 0.462789490159743 19.6872738931331 19.6869810704837 2488307.707360880 27.7241112022866 30670.5581605644 44.0983893013531 14.9100380880418 352211.035328904 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2102-Sep-27 15:39 01:55 Earth 0.117342906545352 0.11698059552034 0.117706630211259 8.1591094862861 8.15632601439233 2489069.151888311 114.677999056939 27203.3739226654 42.2500196736089 48.3031078848981 257449.511784809 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2104-Dec-13 18:43 00:48 Earth 0.164339446329228 0.163810962750029 0.164867930065207 11.4471634696411 11.4457470252708 2489877.280024427 48.1213822079171 26354.558795173 8.70610063990967 -0.946880558508769 39013.8016660658 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2135-Sep-11 15:31 01:14 Earth 0.246973679112958 0.246116560550247 0.247831378720591 12.9814584413112 12.9806273435729 2501106.146843232 74.2624803677002 46742.8534868956 45.3387730417385 23.8459694750213 276201.346534417 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2137-Nov-28 00:49 04:16 Earth 0.0325576043172711 0.0321715819527443 0.0329558073086772 7.16066280356651 7.14922470876364 2501914.534305785 256.054619039772 37015.0580761419 6.19700492256847 58.1323496042963 452978.641711096 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2139-Dec-30 05:50 01:17 Earth 0.42204196054249 0.420348209885608 0.423735827113368 19.1193120241638 19.1189818156896 2502676.743149774 76.9768468657283 85180.4699883079 9.38231218556193 -7.44832214610953 811216.226012668 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2166-Aug-31 22:19 08:28 Earth 0.410003837752951 0.400299652148321 0.419726510140542 18.0682187732287 18.0678590956076 2512418.429943962 508.115430395758 503450.096482194 44.5711186855261 15.8250416606833 324622.034839538 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2168-Oct-15 05:35 2_20:17 Earth 0.0812660528514195 0.0775304062836103 0.0856172551874853 6.39451559670261 6.38938615897572 2513193.732571211 4096.81506760925 406668.279748671 36.9020141770143 60.1807223080772 236168.496995935 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2170-Dec-21 08:33 12:22 Earth 0.25973656252292 0.24826412244356 0.271212692435568 14.3193277509173 14.3186113312447 2513990.856370424 741.620300762819 574255.051170291 8.78939232549215 -4.90296294033176 338392.841196746 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2195-May-17 14:59 13:47 Mars 0.0642349006089875 0.060050437744361 0.0706517481215024 9.42592634582049 9.42545349735749 2522904.124373688 826.536008238376 655404.457722912 47.9241963793622 65.7767870626044 180506.586983715 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
2199-Sep-07 23:34 16:56 Earth 0.310473951684873 0.295435694625725 0.325607069643432 15.0036532434904 15.0030812403045 2524478.481841612 1015.5736276066 799463.693125826 44.6075992004036 19.7692914667721 298346.851554055 T 29 CATAB v2.0e-lin.ifort 2017-Nov-28 04:08:07 2018-Dec-11 14:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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