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(2020 HW2)
Classification: Aten [NEO]          SPK-ID: 54016641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458959.5 (2020-Apr-20.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3754547584335157 0.0021462  
a .8135713634685511 0.00052108 au
q .5081121237290402 0.0020715 au
i 3.290626809101565 0.019729 deg
node 91.4468861636242 0.046914 deg
peri 271.3681502599231 0.044984 deg
M 236.631500823388 0.22094 deg
tp 2459051.353072475332
(2020-Jul-20.85307248)
0.25274 TDB
period 268.0352465322713
0.73
0.25751
0.000705
d
yr
n 1.343106940812936 0.0012904 deg/d
Q 1.119030603208062 0.00071672 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      4 days  
   first obs. used      2020-04-18  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .39975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:12  

Additional Information
 Earth MOID = .0446038 au 
 Jupiter MOID = 4.33368 au 
 T_jup = 7.127 
[ 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 24.9   .31141 E2020H95 autocmod 2.8

[ 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
1957-Apr-21 11:19 2_07:36 Earth 0.348887339684305 0.261737851894257 0.436236106532277 20.7236265272764 20.7232580037221 2435949.971811449 3336.21644444492 4370587.44572028 1909.54448045853 -5.29986910587816 2167.39176269309 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
1959-Feb-19 11:32 3_03:21 Earth 0.31876391272584 0.148921955821036 0.490476516417408 19.7532665332734 19.7528433690569 2436618.980704324 4520.58521166453 8602715.83366932 4641.22662600332 -6.88129834809932 1088.90447424616 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
1970-Feb-14 20:56 9_04:15 Earth 0.20552649144389 0.0443517921547271 0.447001161515875 16.0246796336176 16.0238706007682 2440632.372564599 13214.6548177101 12173045.2216656 4736.20107388669 -12.4824362001725 1253.02054378223 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
1992-Feb-13 13:15 5_05:28 Earth 0.152624765805066 0.0407477875543947 0.284726501399843 14.2679472149248 14.2667236008182 2448666.051819550 7527.56495282183 6703258.68432628 3954.83148932143 -14.6327177750438 1321.97664029188 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
1998-Apr-29 06:06 6_04:01 Earth 0.141433399935903 0.049322689698666 0.357710246697663 13.8873015160983 13.8859448788912 2450932.753953666 8880.91607630238 11057517.0247263 1792.68113379658 -20.4297915976029 3502.20853982939 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2003-Feb-15 03:59 7_16:19 Earth 0.214908399463943 0.0329780892519178 0.433820669656108 16.3650705492637 16.3643129297744 2452685.665814232 11058.7277819084 10980527.1233086 3834.60289981886 -8.83715091521992 1145.37475940245 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2009-Apr-30 07:48 00:08 Earth 0.0647830426241583 0.0466834153343231 0.218259325121942 11.0652193484392 11.0615017373953 2454951.824791287 7.88229584027174 8393707.43998799 1612.26268379572 -46.1593047478317 3704.67934923345 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2012-Apr-18 15:03 5_03:43 Earth 0.421854668746384 0.296837199070603 0.547890419237951 23.2061451397159 23.2058729642095 2456036.127306863 7423.33565056806 6344305.89903407 2197.47003118212 -8.9550097603922 3964.10709742636 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2014-Feb-17 06:39 3_08:35 Earth 0.276206148201813 0.192839127701081 0.359843764333998 18.3891853414865 18.3886607482101 2456705.777421067 4834.92201809818 4186186.16090029 3819.1926645846 -5.6517567873156 941.208301144482 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2014-Aug-24 21:00 9_08:28 Earth 0.480503952650595 0.463451313510016 0.498568706616804 17.4757737930309 17.4754564836435 2456894.374990826 13467.6484321653 1405922.46336726 2991.02130309955 51.4363600471804 11757.8997076082 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2017-Feb-23 01:35 7_12:05 Earth 0.0987280569588103 0.0785697071825261 0.119185572112019 7.62818879817126 7.62465003840326 2457807.565677704 10805.1397199839 1048354.0712454 3275.4991890129 14.6211471260251 1420.22161125537 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2017-Jul-08 05:40 7_12:53 Earth 0.376537802655607 0.349928370077583 0.403381098094262 9.50730317049962 9.50655884408629 2457942.736281085 10853.3568023882 1412516.58424179 3397.58619419825 19.3623137568654 2312.78636092071 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2019-Nov-18 14:00 16:03 Earth 0.41781285432579 0.410296386523677 0.425330281987092 13.494976054454 13.4945034845656 2458806.083287016 963.001875338967 376167.707299725 652.247138948777 -4.89501045749249 4820.10024375835 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2020-Apr-29 12:23 < 00:01 Earth 0.0459913405119111 0.0450979433673866 0.0468846950016177 9.75026528802677 9.74432165144886 2458969.015756489 0.939125563226499 44494.2232133674 63.8182447772664 -0.0271013559247152 98.2398740572235 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2020-Jun-11 14:40 17:07 Venus 0.0195204879896035 0.0174339871696791 0.0216987326926265 14.2764804720792 14.2686861977397 2459012.111218700 1027.36216394267 125581.871881503 2864.62412594598 -31.9624100348595 507.573981955272 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2021-May-22 20:43 1_04:40 Venus 0.0136880860222621 0.0104825984493266 0.052772509487112 13.9216511671613 13.9102509446734 2459357.362927498 1720.16823632101 2143416.33903977 3054.54795867007 50.3928000445585 507.175822189838 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2022-Oct-06 18:24 5_15:44 Earth 0.491054701049152 0.480545659774993 0.501979542605785 19.001704269757 19.0014187125061 2459859.266713680 8143.53847851579 890746.463686169 777.952982257129 -53.1170940239436 51693.0156820218 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2023-Apr-21 03:47 2_10:19 Earth 0.385987699463551 0.332087393694146 0.439997802136441 22.0174860602471 22.0171725337474 2460055.657434330 3498.61191629399 2710042.91908933 2204.40342612925 -6.82103896987281 2716.66674793764 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2025-Feb-18 18:08 4_07:32 Earth 0.313610166041029 0.203020729531084 0.424691445971754 19.623725975577 19.6232930178005 2460725.255658998 6212.37073216288 5561515.70281962 4079.55088322287 -5.99277143761323 1075.07733952874 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2056-Apr-28 13:56 1_06:15 Earth 0.159525460169712 0.031814149126849 0.301211884025299 14.5165456514827 14.515395019931 2472117.080590370 1815.10180221685 7126056.89096885 1178.86001300536 -10.321689291809 3133.25456787913 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2058-Sep-23 16:11 4_03:55 Earth 0.496576923476242 0.491396457240166 0.501793598520368 19.2866057320281 19.286327521761 2472995.174364194 5994.6812814852 334584.205078639 7102.95845671251 39.2244686149576 5133.07732150253 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2061-Feb-14 09:39 1_10:32 Earth 0.203768318506716 0.167044734729365 0.24171051331329 15.9915354297652 15.9907177248011 2473869.902158576 2072.02099475189 2020925.57320499 10914.243187056 22.4988615698112 946.322719663408 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2061-Aug-17 08:53 8_17:48 Earth 0.469731153832701 0.455729202722232 0.486116563914952 16.5167892029776 16.5164457700902 2474053.869818024 12587.6782185228 1833466.87017975 1189.98813237618 65.5284869291563 35399.1945373029 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2077-Dec-12 02:12 6_12:23 Earth 0.349049581965058 0.334285129526274 0.363899058150715 8.59522226247578 8.59433410380125 2480014.591879084 9383.45321001572 786760.414610051 4542.49879294104 20.2590246216141 1385.90587417972 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
2078-Apr-08 20:16 5_20:24 Earth 0.12416135160844 0.119391620314986 0.147563207282566 7.56854766635207 7.56571174131266 2480132.344222985 8424.07978298782 2639026.92612826 8285.75156006528 74.2896802221281 1996.09803409455 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 22:25:12 2021-Apr-15 22:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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