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(2015 HL171)
Classification: Apollo [NEO]          SPK-ID: 3718432
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457141.5 (2015-Apr-29.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2564032078987062 0.00066057  
a 1.290890410174345 0.0011654 au
q .9599019679599665 1.3873e-05 au
i 27.22873767611089 0.034196 deg
node 39.96169840292517 0.0012307 deg
peri 226.3056341409165 0.046949 deg
M 330.4461083270053 0.074675 deg
tp 2457185.478930622364
(2015-Jun-11.97893062)
0.051569 TDB
period 535.7133740365624
1.47
0.72543
0.001986
d
yr
n .6720011436104822 0.00090999 deg/d
Q 1.621878852388724 0.0014642 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      5 days  
   first obs. used      2015-04-28  
   last obs. used      2015-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .32351  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:38:41  

Additional Information
 Earth MOID = .0161481 au 
 Jupiter MOID = 3.4766 au 
 T_jup = 4.887 
[ 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 24.2   n/a MPO346332  

[ 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
1905-Sep-30 07:09 5_08:20 Earth 0.419231257608624 0.401096949662806 0.509033334206622 15.4307299479496 15.430318061005 2417118.798147075 7699.79640618051 9548194.19958403 514.923739360789 73.0909243027221 81674.1626053181 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
1908-Apr-26 04:04 9_00:23 Earth 0.0941246987767113 0.0185716299464145 0.291867320991358 16.7752732781897 16.7735857112882 2418057.669153793 12983.0399157386 9923436.45584155 147.354043931967 11.3868574743541 17592.4715448142 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
1908-Oct-14 03:04 7_09:39 Earth 0.406425209318664 0.399667961122271 0.47688430900246 14.2286311962314 14.2281704353207 2418228.627499015 10658.8248383248 9293896.62362339 233.507820102953 -79.5409800291305 141998.194318767 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
1911-Apr-08 16:38 7_19:41 Earth 0.495676946675922 0.317897888654495 0.673495261170927 24.699841786631 24.6996241553203 2419135.193248454 11261.3073707477 8868829.97588613 309.717546593075 1.34687603197836 5177.32002662447 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
1911-Oct-14 07:46 1_19:35 Mars 0.0963867888434187 0.0265384669045658 0.242181996584561 11.8528654546695 11.8526148611028 2419323.823938895 2615.42349449906 7383301.42531659 205.140091119036 15.9849075507758 18934.2916587516 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
1927-May-20 15:31 6_05:08 Earth 0.368123217238529 0.334565919837006 0.509777851071477 15.5227944127057 15.522328123067 2425021.146816466 8947.79288824256 11523049.2956511 421.951058835844 -65.3489390753261 81983.0712434511 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
1927-Sep-29 09:17 2_00:10 Earth 0.438389869598689 0.411835465834146 0.482384044137134 16.0257494688425 16.0253702074486 2425152.886828901 2889.66975889212 4721731.8708724 576.676635273357 67.6709470791732 76762.6466677282 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
1930-Apr-29 08:41 3_16:46 Earth 0.0392531272306044 0.0156267019916972 0.119015922348553 16.0376488440494 16.0334157812295 2426095.861776447 5326.36628031382 4087988.65733616 80.0925636933934 23.4725199258097 26537.6938923885 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
1930-Oct-12 18:12 2_14:27 Earth 0.396314307747393 0.391275607850995 0.414217270597793 14.2405500299031 14.240077909205 2426262.258452056 3747.07223573358 3637943.63908247 295.992031546209 -80.8565839388597 119537.991990946 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
1933-Apr-10 00:37 1_06:42 Earth 0.457035191529747 0.4249265296114 0.489144189741435 23.8083006073317 23.8080557367849 2427172.525916301 1842.15487047447 1601256.88150567 287.024240452632 0.735828513873286 2822.22076288087 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
1949-Sep-30 19:13 6_22:05 Earth 0.416461758865301 0.39955855450858 0.533647367639657 15.4695329479665 15.4691193619643 2433190.300545539 9964.97497441545 11784309.6234096 540.601238515724 73.6254238884581 79261.8452500389 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
2011-Jun-20 18:00 1_11:45 Mars 0.0962147060256122 0.0306109939288884 0.179825151652976 11.882647189489 11.8823967769284 2455733.250041008 2144.81278152561 4283777.80891637 286.861680764077 18.2425711427494 15397.4438496721 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
2012-May-24 13:26 5_08:33 Earth 0.436328553077749 0.403803212491892 0.539244695887686 16.2705595836399 16.270184264042 2456072.059928995 7712.94577144301 9579242.29144762 911.553957137949 -67.7411556125123 51755.2831150824 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
2012-Sep-28 02:48 21:47 Earth 0.461303037468085 0.436077489834936 0.496066805525502 16.8514014956261 16.851058732233 2456198.616707188 1306.59197989469 3638002.00631336 645.038499708164 65.4572920277702 74958.0089173039 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
2015-May-02 05:56 < 00:01 Earth 0.0227339515493989 0.0226381869436576 0.0228297153667293 15.4847284320332 15.4771576627079 2457144.747364245 0.108463034372406 4770.70290830979 27.5213881785989 0.125701357206293 530.264410965622 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
2015-Oct-11 09:24 06:27 Earth 0.389759251699206 0.386132966611707 0.393404578735267 14.2758835919538 14.2754047191093 2457306.891328578 387.439594228563 226554.288093815 522.514881661537 36.8445868626554 62352.1408927216 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
2018-Apr-13 22:43 3_06:03 Earth 0.381103342130893 0.308455851708848 0.453807648533912 22.1400926012128 22.1397768149281 2458222.446312038 4683.21422548468 3631474.42571181 268.411828897564 3.60577088448792 12276.3115769245 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
2018-Oct-26 08:10 3_05:19 Earth 0.481636181662739 0.465921830494751 0.505496340695301 14.4264968012442 14.4261133252867 2458417.840539712 4639.46064238087 3281901.39193207 95.831540772928 -72.3504758001031 297359.827537296 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
2128-Oct-20 13:03 5_16:13 Earth 0.425712441792907 0.3326903369875 0.563599676744785 14.2631450949092 14.2627062739176 2498589.043457926 8173.48968786726 9049430.83497318 592.728989671281 -47.9544110851662 65759.6291397277 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 13:38:41 2021-Apr-15 13:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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