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(2015 AK1)
Classification: Apollo [NEO]          SPK-ID: 3703319
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5134422306990166 0.00026851  
a 1.716817799721489 0.00083446 au
q .8353310389287101 5.4972e-05 au
i 2.818297802540872 0.00085704 deg
node 315.3386724642151 0.00052006 deg
peri 219.028032870358 0.0038012 deg
M 120.7571882813408 0.61168 deg
tp 2458724.889836042960
(2019-Aug-29.38983604)
1.1951 TDB
period 821.6459859380952
2.25
0.59904
0.00164
d
yr
n .4381449020151645 0.00031944 deg/d
Q 2.598304560514268 0.0012629 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      18 days  
   first obs. used      2014-12-29  
   last obs. used      2015-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .42292  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:36:30  

Additional Information
 Earth MOID = .0142249 au 
 Jupiter MOID = 2.37487 au 
 T_jup = 4.015 
[ 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 24.3   n/a MPO382718  

[ 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
1900-Jun-02 11:40 5_21:33 Earth 0.274505462935815 0.1562407682797 0.395715468708738 20.0374130849237 20.0369286616914 2415172.986073557 8493.07715365826 6137305.83518504 80.5500707918863 12.020368116963 96852.1199201932 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1909-Jun-02 06:04 4_03:13 Earth 0.260791357410402 0.179867103053021 0.343059221174714 19.6554295024824 19.654909695192 2418459.753017690 5953.38470163668 4174700.25450862 79.516699172696 12.2746372388843 95163.7167464148 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1918-Jun-01 11:25 1_20:25 Earth 0.242282110790623 0.20793617913351 0.276862088989537 19.0855173311427 19.084941104111 2421745.975902709 2664.6900020711 1759085.441378 78.3041499666016 12.2057954439354 89274.559528978 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1927-May-31 21:31 19:27 Earth 0.224623360367096 0.207968538643875 0.241397202691761 18.6087026482941 18.6080651943992 2425032.396615987 1166.8754212153 872452.126969828 81.9311532628333 17.1458889234047 110397.240021921 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1936-May-31 22:36 3_07:56 Earth 0.239962223897442 0.174758090429603 0.306451805699059 19.0215292018833 19.0209454467476 2428320.441522838 4796.02810902038 3398462.52280615 79.6603737654116 14.3629374551116 102014.651686924 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1938-Mar-29 20:24 3_00:40 Mars 0.0610881370370106 0.0566373610505881 0.100686580041341 15.7005732297323 15.700274734138 2428987.349983179 4360.39608617891 3009900.720599 96.6161696396337 -67.9983987198937 87337.2955259176 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1945-Jun-03 09:01 5_07:01 Earth 0.275269605262252 0.165925561717647 0.387326505364801 20.058477688916 20.0579951177698 2431609.875733762 7621.14720231909 5686296.63444482 79.465781510158 12.6951909689522 103901.788136776 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1954-Jun-06 09:57 6_10:06 Earth 0.322313671849496 0.179606895531617 0.468288139793229 21.4857324484445 21.4853476907141 2434899.914846199 9246.09794570418 7377822.47932342 79.5625928527448 11.3293170707951 108764.383587583 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1963-Jun-09 16:36 6_18:17 Earth 0.371502028117407 0.210920780685589 0.535057212980204 22.974175776324 22.9738635897808 2438190.191872254 9736.76380773929 8250239.32928674 79.5780436323332 10.4294324857933 115750.410004368 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1972-Jun-12 06:58 6_03:12 Earth 0.438180969582722 0.279364722297564 0.59899488155844 24.8990951258062 24.8988509079525 2441480.790524554 8832.2079324226 8104898.22017216 80.3101723204229 9.76717675728043 127194.088792376 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1978-Dec-20 23:24 5_08:09 Earth 0.467128642799169 0.31723574792701 0.617785312248345 26.199453953027 26.1992362394949 2443863.474839859 7689.40537773827 7552583.85267667 20.0378940023027 -6.78709679019488 389758.205009985 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1987-Dec-28 03:32 5_18:44 Earth 0.335857945977108 0.197032997246128 0.475527128247522 22.222455444308 22.2220984443431 2447157.647348025 8324.3307348622 6994305.99766375 18.0489556009756 -6.28126777874677 286581.081404135 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1997-Jan-03 17:56 7_02:17 Earth 0.201745671102904 0.0671028321568322 0.338904669937206 18.1976845338656 18.1969587611116 2450452.246996463 10217.462999951 6869615.36779141 15.9965133399278 -6.96519064865903 216237.883773736 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
1999-Aug-26 11:35 4_22:30 Mars 0.0668045065529706 0.00791380031503773 0.179332729294252 16.50435273192 16.5040930717448 2451416.982721313 7110.28657202165 5626073.83358098 23.7379478313503 6.80461129165339 49433.415438263 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
2006-Jan-13 01:35 9_17:22 Earth 0.0647595664308113 0.0162043925533849 0.18962769208233 14.0359989790874 14.0330673403387 2453748.566281724 14002.3124537102 6294820.66671426 15.5765193469305 -14.5034809999935 152169.453096902 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
2010-Dec-05 06:21 2_11:31 Mars 0.011574107151507 0.00772632658388859 0.0634177157806772 15.2401008131144 15.2384776806063 2455535.764505144 3570.6594728037 2709145.52306974 23.6228005453943 -41.8841430797908 48838.8553580282 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
2012-Nov-25 10:57 3_03:05 Venus 0.134989925311155 0.133914814434938 0.137803211842333 5.1334644814745 5.13032982723326 2456256.955971736 4504.52520144716 771416.523459335 50.0971460975999 -82.7655367809659 621649.163517371 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
2015-Jan-18 23:17 < 00:01 Earth 0.0143197338024296 0.0142987158082463 0.0143407516433904 12.169557263996 12.1542578176607 2457041.470162132 0.072212901465208 1045.46920288485 1.99179925950538 0.0864794625625866 1405.48408838542 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 22:48:51 2018-Dec-11 16:29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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