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(2018 BD)
Classification: Apollo [NEO]          SPK-ID: 3797701
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2870637740813864 0.00047831  
a 1.053202548387536 0.00075396 au
q .7508662499752758 4.7967e-05 au
i 2.408209184414111 0.0057288 deg
node 298.0763384124925 0.001063 deg
peri 273.6797070218671 0.089895 deg
M 6.680155091746738 0.72112 deg
tp 2458993.174279860395
(2020-May-23.67427986)
0.78294 TDB
period 394.7901229892195
1.08
0.42393
0.001161
d
yr
n .9118769164593069 0.00097918 deg/d
Q 1.355538846799796 0.0009704 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   first obs. used      2018-01-18  
   last obs. used      2018-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .25383  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jan-21 06:55:43  

Additional Information
 Earth MOID = 7.29977E-5 au 
 Jupiter MOID = 3.61113 au 
 T_jup = 5.802 
[ 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 30.1   n/a MPO431474  

[ 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
1955-Jun-30 16:53 3_04:56 Earth 0.301378369181185 0.218968688812546 0.384208968880467 17.632986826114 17.6324854304547 2435289.203290306 4615.88425909841 4158052.67019224 328.523330338797 7.47714767327155 13847.5274733271 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
1958-Jun-05 21:26 1_20:05 Mars 0.0650408056916117 0.0646917837692335 0.0945436057721753 9.08622299570105 9.08573854625797 2436360.393074645 2645.27129865144 3104988.82859878 280.700759240623 -84.1105539825024 23951.4212804411 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
1996-Jul-03 10:59 3_01:12 Earth 0.365712986253098 0.299697068105395 0.431864387044794 19.5094657362243 19.5090922876939 2450267.957825616 4392.26914650072 3313968.32003327 532.406815469072 5.99168010522223 8750.56318738942 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
2011-Jul-11 02:43 2_11:34 Earth 0.499119395772205 0.414627738472053 0.583795548057068 23.4592881325616 23.4590605729484 2455753.613067514 3574.45158665111 4244917.39988161 580.795372142276 6.38514481710335 12015.7441127869 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
2018-Jan-18 15:43 < 00:01 Earth 0.000261621903906402 0.00026062666927878 0.000262615722680075 10.000145627618 8.92378736507193 2458137.155072092 0.182729725338122 38.1143695889633 2.61826677343521 -15.2325160466598 453.15115797436 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
2018-Jan-19 02:39 00:03 Moon 0.00122687870048485 0.0012213292010872 0.00123242964948454 9.42313946373247 9.42030424306866 2458137.610312485 3.38396635120658 284.647472985732 2.29922641264043 13.6509558352201 13853.5534735833 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
2018-Nov-19 19:59 5_13:55 Earth 0.336916445033122 0.329281933483429 0.34461893900037 7.93246719678834 7.93147016465267 2458442.332727807 8035.01350333533 450774.669251646 3837.67190921085 -31.962897200577 4372.21142986094 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
2020-Aug-03 23:36 1_14:25 Earth 0.0193319399701282 0.0096972582781488 0.0626730529428598 9.4131733861617 9.39851996527906 2459065.483247672 2304.90318669747 2254256.55942306 583.316732851789 -30.2067866499706 2050.225953316 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
2031-Jan-20 08:04 2_15:38 Earth 0.0149796181062417 0.000208631272961382 0.0507248052037132 8.4949829199645 8.47401838043161 2462886.836047328 3817.53097910877 1782719.33352325 3521.84091308097 -1.15367466267524 10.3958379498956 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
2031-Nov-14 20:30 8_06:53 Earth 0.353621561942141 0.343133523909397 0.364291872433951 8.18356426579093 8.18264348647578 2463185.354198392 11932.81677906 662289.075230656 4774.26192892 -37.1789400920582 12746.261768136 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
2033-Aug-09 00:28 1_07:16 Earth 0.140266715762103 0.0462170394808599 0.234948262015303 13.0124631587525 13.011003260535 2463818.519310990 1875.55757586058 4729017.12181039 143.510894063909 -4.2705042876401 21653.618057772 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
2169-Oct-13 04:02 7_02:31 Earth 0.359973033793662 0.32540852730775 0.395751201163118 8.17920471069894 8.17829969661418 2513556.668044959 10230.6981618596 2040442.1928302 5021.26231081896 30.5869961822684 6319.75368803496 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
2171-Aug-25 03:55 3_21:29 Earth 0.462833474540734 0.307941033781818 0.617998213976894 22.6428150131813 22.6425607639699 2514237.663047919 5608.87578088259 7750894.64931294 5672.45241911118 3.91343335673521 744.551693062049 T 2 CATAB v2.0e-lin.ifort 2018-Jan-21 06:55:47 2018-Dec-11 17:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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