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JPL Small-Body Database Browser
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(2018 CH2)
Classification: Apollo [NEO]          SPK-ID: 3799274
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5348132635331001 3.0232e-05  
a 2.073278256006411 0.00029741 au
q .9644615456994081 7.5672e-05 au
i 5.473052636147206 0.0051951 deg
node 324.2032864602151 0.0064075 deg
peri 202.3360571001249 0.032667 deg
M 40.59736330624335 0.3003 deg
tp 2459273.535388013757
(2021-Feb-28.03538801)
0.93603 TDB
period 1090.397422638526
2.99
0.23463
0.0006424
d
yr
n .3301548522820952 7.1041e-05 deg/d
Q 3.182094966313413 0.00045647 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      5 days  
   first obs. used      2018-02-08  
   last obs. used      2018-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .58988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:22:01  

Additional Information
 Earth MOID = .00198128 au 
 Jupiter MOID = 1.80862 au 
 T_jup = 3.572 
[ 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 28.0   n/a MPO435639  

[ 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
2010-Aug-11 11:56 9_08:18 Jupiter 1.78576341963759 1.77066665958416 1.80118103870733 2.75467592092671 2.5767421909594 2455419.997458589 13458.301387391 1455681.3294209 34.2199417644111 -54.8206600763118 2151218.40055961 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2015-Jan-13 10:52 2_23:33 Earth 0.297853948363163 0.249291818488768 0.346463774986177 17.9035355098264 17.903035847905 2457035.953079860 4293.0904134186 2430066.30981784 27.9468453462935 -4.39764968744983 108606.126488507 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2018-Feb-12 17:50 < 00:01 Earth 0.00525908580452026 0.00525235975460202 0.00526581164121788 9.06463167862098 9.00856599820388 2458162.242799726 0.0762934874916067 331.186769662366 2.41322754377832 -0.0191015079460898 1452.71803531549 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2018-Feb-13 01:53 < 00:01 Moon 0.00610846529329272 0.00610208660632299 0.00611484406120153 9.36437751775501 9.36380456206357 2458162.578149514 0.66557045121984 320.008333846699 2.80534266577083 6.3650653342757 32968.0293228485 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2021-Feb-05 20:06 6_21:30 Earth 0.0371538546004806 0.00334973779435406 0.0774004729204328 9.91249953789256 9.90526211625616 2459251.337347147 9930.46157173713 2010783.34590755 8.55788937562751 -5.2200860731646 56617.7334364154 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2024-Feb-01 13:26 3_21:42 Earth 0.082302144853487 0.0501710480232079 0.114565110964733 11.0679762181698 11.0650507836261 2460342.059543112 5621.69613229562 1613923.56968221 13.742756011262 -5.44972311057351 78961.9033873001 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2027-Jan-23 10:37 22:17 Earth 0.172320066792241 0.161067430902868 0.183578553223293 13.886621573658 13.8855080554716 2461428.942080645 1336.8645893042 563498.354946454 19.9758706945076 -5.12489989772422 103601.664853126 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2030-Jan-16 04:32 18:59 Earth 0.274854583128027 0.261651192945922 0.288063164340425 16.97074860216 16.9701773660107 2462517.688704410 1139.32042007501 661217.494755625 26.4362003940402 -5.18357015020638 124908.263475299 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2033-Jan-08 20:30 2_00:48 Earth 0.395612678652317 0.357945804309345 0.433289574482264 20.5745217062966 20.5741943536456 2463606.354146699 2928.12180521189 1881166.79707379 34.523494205337 -3.03169055506934 80717.2266967561 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2036-Jan-06 12:40 3_04:17 Earth 0.475054265027595 0.414239387458038 0.535874700438935 22.7107080428375 22.7104610747592 2464699.027810549 4577.06568328953 3033812.87367909 39.8994111410287 -1.54689415254084 42880.6126735058 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2153-Jan-13 12:13 8_19:11 Earth 0.430852307038981 0.257816670045171 0.603939718615063 20.6146827034275 20.6143827108983 2507440.009047915 12670.955790407 8633091.83134838 72.0141126487455 -1.47142627044334 20127.7627487447 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2156-Jan-14 07:28 6_17:00 Earth 0.433093969883936 0.29778701374714 0.568440660712327 20.6366911331316 20.6363930116351 2508535.810942302 9660.16609269755 6751371.51406071 78.8768513904796 -1.70192032674654 21377.4503859493 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2159-Jan-14 15:16 4_13:05 Earth 0.421570274564497 0.326254722075153 0.51692392813902 20.320119950473 20.3198089081886 2509632.136168017 6544.57179062228 4758150.29127453 86.7167520796686 -2.37015313069643 26352.2623016793 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2162-Jan-14 16:58 2_05:41 Earth 0.420456464159814 0.366720010383863 0.474224588766735 20.2286729273503 20.2283596512287 2510728.206887478 3221.4835358165 2686579.15994417 110.600877787959 -3.86701335775101 33656.9260689428 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2165-Jan-13 14:31 01:34 Earth 0.419957792542494 0.408172392721082 0.431768935273191 20.4076072021471 20.4072963041429 2511823.104701481 94.4776910703134 610752.07037154 289.611037008759 -15.5688552288608 51464.9814363169 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2168-Jan-12 12:47 2_08:26 Earth 0.454618139437547 0.42414251540532 0.485114548898783 21.406787426413 21.4065136368571 2512917.032888016 3386.35108180099 1527923.25313701 38.3817478566123 5.75527839618 161022.637573766 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
2171-Jan-11 01:49 4_13:06 Earth 0.475533988990732 0.403239145137349 0.547847746119844 22.053001857187 22.0527477800536 2514011.575434236 6545.95283160071 3608623.26729273 20.1513186754774 2.36911828591557 125814.713224309 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:22:01 2021-Apr-15 20:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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