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(2013 SK20)
Classification: Apollo [NEO]          SPK-ID: 3648644
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .393962050447834 0.00032627  
a 1.221690926113776 0.00039775 au
q .7403910638484793 0.00015756 au
i 5.004609543281294 0.0046772 deg
node 2.396010069339731 0.00045459 deg
peri 89.03774213032449 0.0009161 deg
M 295.2371103401119 0.84481 deg
tp 2459089.228709859649
(2020-Aug-27.72870986)		 1.2008 TDB
period 493.2197392244803
1.35		 0.24087
0.0006595		 d
yr
n .7298977947761176 0.00035645 deg/d
Q 1.702990788379072 0.00055445 au
   Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      2 days  
   first obs. used      2013-09-25  
   last obs. used      2013-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58935  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:44:33  

Additional Information
 Earth MOID = .00525665 au 
 Jupiter MOID = 3.50921 au 
 T_jup = 5.146 
[ 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 27.4   n/a E2013S59  

[ 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
1919-Sep-27 23:51 6_16:37 Earth 0.0114076857471454 0.00339478216169676 0.100534332771766 11.6758125500973 11.6557908838629 2422229.494054473 9636.95278052329 4467570.85894826 285.64887850744 -17.4203556254962 1756.17558099258 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
1931-Aug-22 05:43 8_18:05 Earth 0.45117834714567 0.429806066707991 0.472562891370662 8.19230082664531 8.19157992282796 2426575.737883501 12604.5620855732 1072489.33781904 537.0842946864 6.24733776562787 16065.0978170303 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
1940-Mar-12 06:03 13:47 Earth 0.0670233521930631 0.0660949354174728 0.0679579756879158 9.43364418160692 9.42942912166992 2429700.752332860 826.77957773697 56585.4631382873 4384.0539902373 34.8955618047277 1381.73257442126 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
1944-Mar-21 21:56 14:26 Earth 0.0854014230321079 0.0599880049902393 0.110884839088494 13.8199449640296 13.8176872111103 2431171.413762673 866.448658313649 1274855.12831607 169.688792686633 -5.27868296024511 6095.77785868008 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
1948-Mar-30 05:25 1_03:30 Earth 0.248776821012363 0.205461573128745 0.292094026980201 18.6393504007752 18.6387757839154 2432640.725901684 1649.939784076 2160285.48589932 59.1689911922625 -0.998206438970508 9545.64843207196 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
1952-Apr-07 11:47 1_09:53 Earth 0.419401587141958 0.362783897055148 0.476019194021297 23.7217418799142 23.7214740629008 2434109.991275490 2032.75244098732 2823277.85073316 43.6026444108045 0.222745545015042 4922.34521090105 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
1958-Sep-05 01:41 1_21:52 Earth 0.457480670985934 0.377696874194457 0.537273126898558 24.7803920283079 24.7801569927912 2436451.570285342 2751.94936983639 3979948.98501247 28.9584643322196 1.43183754467576 54153.1172973804 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
1962-Sep-13 02:03 2_13:14 Earth 0.29438213859729 0.206910221428179 0.381857937740141 19.9322250589926 19.9317709604943 2437920.585506221 3673.66475958442 4362293.36597711 23.9633443362281 0.760212190172669 21960.5363368503 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
1966-Sep-21 11:48 3_07:59 Earth 0.127481796884472 0.0376291820269919 0.217335757229423 15.039254994127 15.0378651761493 2439389.991707597 4799.33775202471 4480667.71677993 26.1590813457581 -0.575069518603978 6368.83866288713 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
1970-Sep-30 21:03 4_14:29 Earth 0.0321670162055224 0.0042741074372651 0.112112764043176 10.4285722637482 10.4206263799899 2440860.376901270 6629.45656307339 3996973.27282089 51.9532717220948 7.66785637670383 12219.5134387279 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
1999-Apr-09 18:31 5_11:20 Earth 0.44885693559828 0.287438127991979 0.610274581758935 24.5811649575441 24.5809234647988 2451278.271214881 7879.89431432607 8049193.81859216 43.332332278825 0.131527386837024 3072.24567439184 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
2005-Sep-08 17:01 2_14:51 Earth 0.386153637169582 0.313606844655166 0.458701331281558 22.6348052792522 22.6345004347348 2453622.209277797 3770.86233074981 3617757.36116796 57.3866757161401 0.552268378039587 8695.64541936106 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
2009-Sep-18 10:31 1_17:19 Earth 0.189497603109983 0.151029944532809 0.227966164218001 16.8513617319144 16.8505273125257 2455092.938333207 2479.20765244254 1918359.95808468 42.9175948677356 -0.766117632706361 7741.79936920394 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
2013-Sep-29 00:11 < 00:01 Earth 0.00583257427999085 0.00581761070485265 0.00584753730023471 11.2978892611559 11.2573818935202 2456564.507623699 0.137268453790152 740.727421102357 4.12200338950772 0.0984468553113113 776.067182661747 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
2013-Sep-29 04:16 < 00:01 Moon 0.00773707474557189 0.00772247921847142 0.00775167164825885 10.4556892082351 10.4552840751349 2456564.677636862 0.822728055072774 745.814209461682 4.393706763527 -12.628863383775 52565.6793788384 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
2018-Apr-30 13:41 9_17:59 Earth 0.494910080204052 0.478496856343168 0.511351268850696 8.92688134021039 8.92627822404876 2458239.070157888 14039.052121813 839903.64268613 508.706326916306 12.7322943367414 54591.1593689395 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
2022-Jan-17 02:31 7_10:09 Venus 0.0791389407380884 0.0428341235224738 0.152610339554265 9.5970684409917 9.59420884402388 2459596.604703262 10688.727667652 3985930.65792624 144.472592697535 -32.7905841546437 33855.8990617751 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
2026-Mar-21 15:39 4_23:16 Earth 0.0762169530094089 0.00883538629740323 0.169919083088094 13.5702215242181 13.5676451136857 2461121.152002584 7156.45626255629 4686636.73866985 86.9061124150456 -6.67099061448465 14684.9628188053 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
2030-Apr-08 14:08 3_13:38 Earth 0.436775872857975 0.330356678034778 0.543196211440624 24.2638085456948 24.2635571273308 2462600.088754501 5137.56527205386 5306840.54212351 40.5950004763409 0.463970253351378 11619.62994408 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
2032-Sep-03 23:52 4_19:11 Earth 0.484872404838315 0.337633321921897 0.632125188078783 25.6041910754201 25.6039764527225 2463479.494553585 6910.64558508017 7343684.1170382 76.3487827368135 0.989438199834868 14974.0345096888 T 5 CATAB v2.0e-lin.ifort 2017-Nov-29 12:48:03 2018-Dec-11 16:07
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