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(2018 GD2)
Classification: Apollo [NEO]          SPK-ID: 3802441
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737228116901693 9.2818e-05  
a 1.030606537336494 4.4788e-05 au
q .851566671924129 5.8879e-05 au
i 9.674357324018741 0.0054684 deg
node 22.20337238107206 0.00030279 deg
peri 270.6691912076551 0.02945 deg
M 130.8240018453094 0.073449 deg
tp 2459061.625440183867
(2020-Jul-31.12544018)
0.068918 TDB
period 382.1534338394844
1.05
0.024911
6.82e-05
d
yr
n .9420300018845587 6.1408e-05 deg/d
Q 1.20964640274886 5.2569e-05 au
  Orbit Determination Parameters
   # obs. used (total)      13  
   data-arc span      1 day  
   first obs. used      2018-04-11  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .46932  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-12 12:12:03  

Additional Information
 Earth MOID = .000162821 au 
 Jupiter MOID = 3.91174 au 
 T_jup = 5.913 
[ 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 29.4   n/a MPO445231  

[ 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
1991-Apr-01 11:42 7_23:05 Earth 0.256098516722994 0.0882961780959128 0.423902205676748 14.175490608851 14.1747566386323 2448347.987350602 11464.7564585505 8367709.18542225 519.758866283053 0.604176366661658 631.335953506059 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
1993-Oct-14 08:28 6_03:52 Earth 0.184278001620479 0.056261129830358 0.323168385585229 12.1240283491472 12.1228356984097 2449274.852849611 8871.51879508369 7024382.97786844 1454.96665356953 12.7718044655844 3770.19742947067 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2004-Mar-22 13:20 04:44 Earth 0.473090798039183 0.454465008397028 0.491719828983967 20.4197351324936 20.4194593157132 2453087.055844619 284.352754324716 930923.919580361 280.068898145171 -3.8163840900831 15577.2596017019 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2005-Apr-13 22:52 1_16:56 Earth 0.0251101248704399 0.00200934346770852 0.0610319575574424 7.03830742912229 7.0232149307322 2453474.452702337 2455.66163602459 1793989.83821404 272.509516082886 -4.69281671236873 1090.45913724288 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2006-Jan-03 08:18 5_11:34 Earth 0.315717705759979 0.312479066210788 0.318985954045459 6.0167051070245 6.0153022761214 2453738.845626298 7893.53386940101 222654.14491131 1982.29972264574 43.2148228312603 10654.7288614925 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2006-Oct-08 07:31 08:14 Earth 0.0317552000139965 0.0301599173792767 0.0446695621725069 7.3279543664222 7.31649516249241 2454016.813540907 493.78268574437 1149981.66585473 926.832419875734 -71.8576186679428 6265.46795459653 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2018-Apr-12 16:42 < 00:01 Earth 0.00200833632072277 0.00200508102932134 0.00201159117909382 7.78173912703025 7.6093392867792 2458221.196047229 0.0645657018651 155.349612596702 1.84816526425416 -0.539161655632743 1118.06117298414 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2018-Apr-13 00:38 < 00:01 Moon 0.00221150515389296 0.00220980111141423 0.00221321246927734 7.2912252960613 7.28919251389501 2458221.526400132 0.871111201485634 158.898641553619 2.09693418321364 57.6864215322003 67961.2853920845 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2019-Feb-21 12:14 12:05 Earth 0.257503367460584 0.256118613194465 0.258888251618916 5.44446954765283 5.44256868958102 2458536.010015403 724.861977498068 69655.1702156829 430.902195174075 -7.65342959918506 6977.42810788961 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2019-Jul-07 12:37 18:57 Earth 0.226071645462787 0.225622012102527 0.226521574776808 5.633991224299 5.63189889158135 2458672.025821714 1137.08824571523 25886.1228483873 1348.75046381213 30.0745114591774 6577.09795080874 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2019-Dec-16 21:11 19:53 Earth 0.274005733814511 0.273640042182546 0.274372382277634 5.55766201879431 5.55591205544526 2458834.382668613 1193.34567666853 31590.066031868 2491.08229522446 54.9307445666929 8377.21670019734 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2020-Oct-13 13:45 03:59 Earth 0.0418695882785897 0.0370963199607446 0.0466556919039509 6.70010747896787 6.69060274315132 2459136.073021506 238.657548403301 241135.025101992 422.647953394465 -8.51945111083108 2788.94810768178 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2021-Oct-25 22:01 04:16 Earth 0.24806127280171 0.242080169470493 0.254042360920215 14.0518165505952 14.0510521293818 2459513.417112038 255.531302368811 298237.32881873 519.905842314094 0.178793002615459 198.674912639286 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2039-Mar-25 17:37 1_00:31 Earth 0.427608921863343 0.401908920066227 0.453309047583796 19.1882444319155 19.1879196932276 2465873.233815404 1470.50832164746 1281609.6804613 364.822326490857 -0.637419850404265 1667.8490252713 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2040-Apr-05 22:57 1_02:12 Earth 0.14197693936049 0.114603992759968 0.169349091413169 11.1109386060506 11.1092494226188 2466250.455924137 1572.44614508938 1364855.5776801 408.871737461735 0.442446234734592 319.791532310053 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2041-Apr-19 21:15 3_06:29 Earth 0.144808548727476 0.118096832820148 0.173172511925479 5.18655755388353 5.18300870456114 2466629.385526111 4708.8172774394 1575672.71731433 395.083624031609 -28.7508492112671 517793.915145135 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2042-Jan-19 14:14 5_18:49 Earth 0.290318467729558 0.288065084675341 0.29266754906936 5.66264292688355 5.66102193559101 2466904.093317629 8329.19193190323 286869.31175406 1670.82516675885 -66.4224323725846 13232.2961831461 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2043-Oct-19 13:03 1_01:37 Earth 0.0820563506432151 0.0564299379322843 0.107702641859974 9.56029472921795 9.55689764711285 2467542.043882692 1536.971406353 1279967.18411079 980.184271878995 2.89420843508922 556.872882625252 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2044-Oct-31 00:29 22:26 Earth 0.374418790565726 0.35211238591025 0.396727277631954 17.7017115939987 17.7013095770236 2467919.520007871 1345.55820003811 1113253.27602757 1163.63434481907 2.30365135855346 1650.61242037232 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2062-Apr-02 08:51 1_04:47 Earth 0.244599042996373 0.220022030229357 0.269176901764399 13.9262691874136 13.9254869564286 2474281.868895708 1726.59390824336 1225787.26900822 243.636226190363 1.21758652736048 2570.53655867765 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2063-Apr-14 20:13 1_07:03 Earth 0.0469083120248382 0.0194302037245295 0.0744552501451718 6.58990102527693 6.5812758492887 2474659.342411287 1863.11604645169 1374868.17114006 203.418593222473 -2.60370803596584 1586.68770842327 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2064-Feb-08 23:18 5_14:27 Earth 0.275675525007909 0.269254462402674 0.282138646082714 5.55910134515413 5.55736243363328 2474959.471016191 8066.66866054012 363369.285004994 997.441153783976 -27.8704563175035 10745.5075312236 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2064-Jul-24 08:17 9_01:50 Earth 0.225050573203209 0.22159392576095 0.228534742657853 5.63639145030621 5.63429051812346 2475125.844857242 13069.9640050952 212969.890231639 534.124362911208 -35.6564975608131 13082.2002669599 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2064-Dec-02 19:03 6_01:30 Earth 0.254321548824667 0.243364010067985 0.265429296969275 5.45548186151062 5.4535611039985 2475257.293906714 8730.14378581703 630641.854479705 1583.75677422547 29.2645548698393 8537.37914853278 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2065-Oct-15 19:06 1_03:08 Earth 0.0117097862024655 0.00147208279800087 0.0332562739749504 7.86731360257652 7.83833766906205 2475574.295830868 1628.12987273802 1077616.2302194 1248.435584374 7.52296369955167 172.286465072096 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
2066-Oct-30 13:11 2_12:56 Earth 0.354796591710189 0.295757568131905 0.413861962711671 17.1127062841228 17.1122674303968 2475954.049408365 3655.68704866998 2948638.74684129 1547.90757331545 2.95667137748233 1510.32872170724 T 1 CATAB v2.0e-lin.ifort 2018-Apr-12 12:12:05 2018-Dec-11 17:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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