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(2017 KX4)
Classification: Apollo [NEO]          SPK-ID: 3774721
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2457897.5 (2017-May-24.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3456482707894427 0.0016816  
a 1.153573999933594 0.0014782 au
q .7548431416288865 0.00097262 au
i 1.440545811619458 0.0078928 deg
node 221.948181806298 0.011717 deg
peri 116.6474082921205 0.013267 deg
M 302.2594666721052 0.18653 deg
tp 2457970.084669828062
(2017-Aug-04.58466983)		 0.094967 TDB
period 452.5500481561801
1.24		 0.86983
0.002381		 d
yr
n .7954921261565306 0.001529 deg/d
Q 1.552304858238301 0.0019891 au
   Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      7 days  
   first obs. used      2017-05-22  
   last obs. used      2017-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .54105  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-29 06:18:23  

Additional Information
 Earth MOID = .00928124 au 
 Jupiter MOID = 3.82422 au 
 T_jup = 5.394 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 2.827654255839772E-6 -1.635479694738042E-6 -.0001596863365417206 1.958703630497294E-5 -2.226871016546695E-5 1.327091172070401E-5
q -1.635479694738042E-6 9.459944589317758E-7 9.235461404970284E-5 -1.133698978489226E-5 1.287619062090077E-5 -7.676459735595463E-6
tp -.0001596863365417206 9.235461404970284E-5 .00901864187563731 -.00110523730815611 .001257997643224746 -.0007493676146865965
node 1.958703630497294E-5 -1.133698978489226E-5 -.00110523730815611 .0001372886493850471 -.0001540723563726746 9.206430281962419E-5
peri -2.226871016546695E-5 1.287619062090077E-5 .001257997643224746 -.0001540723563726746 .0001760197738466646 -.0001044881807003201
i 1.327091172070401E-5 -7.676459735595463E-6 -.0007493676146865965 9.206430281962419E-5 -.0001044881807003201 6.229570106620657E-5

[ 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 24.4   n/a MPO410043  

[ 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
2000-Mar-24 10:40 1_21:38 Venus 0.0811466806253778 0.0418185225415824 0.127709388186322 7.08369605221233 7.07991725034863 2451627.944165007 2737.9792895549 2465488.48729052 2803.04355335335 -24.9254279544171 1387.12808790283 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2017-Jun-01 16:16 < 00:01 Earth 0.0388620126674933 0.0383058811576813 0.0394181195990586 9.41987349370042 9.41259217770615 2457906.177976509 0.660653804035886 27688.5273070526 42.4698367263223 0.0871248865847281 132.350545810534 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2022-May-20 00:03 7_04:23 Earth 0.204430359008567 0.0306163351137937 0.379220256293626 16.5342932447358 16.5335049444525 2459719.501784751 10342.6284965593 8720254.54319814 241.968656576646 -2.46542102305626 4668.3730968856 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2023-Dec-12 16:26 7_04:38 Earth 0.336689866627559 0.128755767895032 0.544628447152143 20.72528433002 20.7249024861574 2460291.184774212 10358.2461152176 10369125.477323 226.687735961599 0.445968624260274 1528.3111956733 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2058-May-12 18:30 7_02:29 Earth 0.366181090020269 0.142694830228468 0.589663972096973 21.3460423784035 21.3457014976007 2472861.270964863 10229.3234241042 11144133.9874865 353.368204293189 0.241308314733383 568.167205309592 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2059-Dec-05 12:53 7_21:48 Earth 0.177382705139456 0.0132908133843111 0.344224123118933 15.864888730405 15.8639418894988 2473433.036562474 11387.5276506932 8324568.02490583 67.3631368780755 2.77855659953875 20268.0197810107 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2064-Nov-22 15:04 1_08:02 Earth 0.0475592956678837 0.0474372534614387 0.0476976554349636 9.12318631159186 9.11704336647035 2475247.127956901 1922.44741227786 44577.0379937008 541.539432916653 -81.5763683941305 13947.4140972038 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2110-Jun-08 01:06 8_12:16 Earth 0.0898238965861147 0.0177006484548577 0.164463091303287 7.93457716913015 7.93083779408172 2491879.546150991 12256.2678627819 3735870.51826065 26.6238521150164 6.54686504152053 38540.7689828022 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2146-May-26 17:19 4_07:17 Earth 0.102290646613333 0.0120986882122199 0.209803986030691 13.5041362116834 13.5022071743044 2505016.221852912 6196.51511609224 5379555.70677654 255.089633089951 -6.80443093199085 6090.80378112293 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2147-Dec-19 00:55 1_15:43 Earth 0.437478068326538 0.410898533077499 0.464058068473994 23.8166395094822 23.8163837816958 2505587.538424420 2383.05331372068 1325616.32071622 320.006277978661 -1.02287436796656 3151.51917922744 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2151-May-15 02:11 3_20:52 Earth 0.353050085895701 0.260008338099705 0.446090928446864 20.9550758886043 20.9547157327079 2506830.591124081 5572.41395213415 4639507.56745941 425.666962929365 -0.113241363133212 201.369711775208 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2152-Dec-06 14:51 6_07:24 Earth 0.180908245247961 0.0100364432353274 0.360154439725785 15.981080332383 15.9801586943589 2507402.118710334 9083.97597863423 8944960.89215883 64.4665000630863 3.16515292823456 25709.9836949086 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
2178-Dec-07 11:14 8_07:01 Earth 0.17881812524159 0.0361930854746872 0.323108480382155 15.9004776397598 15.899540501978 2516898.968233467 11941.4782020962 7205340.51823187 145.914798148982 4.12404705728213 13165.6004122714 T 4 CATAB v2.0e-lin.ifort 2017-Nov-30 17:35:17 2018-Dec-11 17:11
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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