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(2015 AK45)
Classification: Apollo [NEO]          SPK-ID: 3703788
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .602802122787062 1.9028e-05  
a 2.475386364056513 0.00012501 au
q .9832182090850998 2.5529e-06 au
i 4.120039980015957 9.5613e-05 deg
node 127.3532406975148 1.929e-05 deg
peri 12.93437741332237 0.00015314 deg
M 130.9777698070603 0.036165 deg
tp 2458482.943212171983
(2018-Dec-30.44321217)
0.1037 TDB
period 1422.53486139327
3.89
0.10776
0.000295
d
yr
n .2530693691734247 1.917e-05 deg/d
Q 3.967554519027926 0.00020036 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      13 days  
   first obs. used      2015-01-15  
   last obs. used      2015-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .28318  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:36:23  

Additional Information
 Earth MOID = .00523823 au 
 Jupiter MOID = 1.07541 au 
 T_jup = 3.200 
[ 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 26.4   n/a MPO324237  
rotation period rot_per 0.0258 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Moskovitz, N.; Binzel, R.P.; Christensen, E.; et al. (2016) Astron. J. 152, A163.]

[ 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
1910-Jan-15 00:31 1_22:25 Earth 0.292020157229199 0.255531719573272 0.328592380686843 11.6969814201842 11.6962013382716 2418686.521778347 2785.43117149129 1838245.80176163 4.96965371845452 -7.67971329708801 1160719.71475086 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
1914-Feb-28 11:45 2_11:33 Earth 0.242367204242115 0.213247957317223 0.271502783860378 9.96660527857725 9.96550217757449 2420191.989746369 3572.84173935867 1455851.27415389 13.8223592915937 -3.97457576815322 142577.996898851 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
1963-Jan-25 13:56 6_23:53 Earth 0.137417135986254 0.100667160451986 0.175822006277403 7.69091206573599 7.68839053179967 2438055.080711960 10073.0822655465 2019554.89338653 6.14224629477568 -21.0615068722228 1592896.58210508 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
1967-Mar-06 00:10 4_00:59 Earth 0.235274390632906 0.183625879640601 0.287054179014805 10.9968116432419 10.9957817522721 2439555.506758761 5818.72904413579 2593627.30755433 16.0907872327459 -6.03160244784918 187581.018272795 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
1985-Jul-23 21:40 1_19:16 Jupiter 1.59724856630554 1.58543320766602 1.60905523943482 5.64811045982191 5.55342684849008 2446270.402688914 2596.12490277352 558684.230329687 39.2282532486365 -2.23122221310572 67695.181033551 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
1997-Jul-11 05:45 1_04:13 Jupiter 1.38782459986931 1.38216029067259 1.39348550050909 5.06977375551513 4.94792462972869 2450640.739311492 1692.83703241218 260503.329675714 50.0850825175169 1.90024336303238 34811.1459617699 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
2009-Jun-02 11:00 04:58 Jupiter 1.36397944806563 1.36258780186636 1.36537081389101 5.12162581316101 4.9989062561989 2454984.958523763 297.810066185429 62194.1989502126 45.8321435244754 1.06262753111321 6198.23323767237 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
2011-Apr-06 07:55 06:04 Earth 0.36043183644294 0.355104031230721 0.36576154493253 19.261418315619 19.2610345153491 2455657.830028347 363.921534905536 268914.238367271 16.9728953417154 -8.84071194337633 439478.17373139 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
2015-Jan-26 21:12 < 00:01 Earth 0.0121618194046938 0.0121607689157088 0.0121628698926114 8.60013054499925 8.57461802169363 2457049.382996447 0.0284396920529196 52.0736798229473 2.49734969878851 -0.0671665044050176 21339.8516571273 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
2021-Mar-13 09:44 17:40 Jupiter 1.62150107298703 1.61853957533203 1.62446220385834 5.92450484112331 5.83566781487198 2459286.905896534 1059.96601413417 142508.625873766 50.9067198265297 1.99426954986914 62483.4217105518 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
2042-Mar-29 08:19 2_17:54 Earth 0.15409673444413 0.124793350170476 0.184233601266282 14.2182975627111 14.2170814050041 2466972.846734762 3953.85398203513 1586260.26170907 17.6251873051165 -20.4848191828888 416459.855940786 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
2065-Mar-11 04:48 4_13:40 Earth 0.0502608450364475 0.0498798681592837 0.0550866239169279 10.2780691774013 10.2729100049255 2475355.700048068 6580.06118500197 858063.094935019 15.1312467632374 -82.9539446587547 488130.208434677 T 12 CATAB v2.0e-lin.ifort 2017-Nov-29 22:59:25 2018-Dec-11 16:30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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