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(2018 CH2)
Classification: Apollo [NEO]          SPK-ID: 3799274
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .535738577500973 0.0002645  
a 2.077759391029191 0.0011636 au
q .9646235304899244 9.3834e-06 au
i 5.466002563097664 0.0019015 deg
node 324.2302345239673 0.00015538 deg
peri 202.2447384822899 0.00058173 deg
M 335.9855487672141 0.2813 deg
tp 2459273.472877812709
(2021-Feb-27.97287781)
0.91607 TDB
period 1093.934471286595
3.00
0.91892
0.002516
d
yr
n .3290873534468641 0.00027644 deg/d
Q 3.190895251568458 0.0017869 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58937  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-08 06:27:37  

Additional Information
 Earth MOID = .00153921 au 
 Jupiter MOID = 1.80055 au 
 T_jup = 3.567 
[ 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 13:13 9_08:18 Jupiter 1.78584995991969 1.77074995165786 1.80127077045257 2.75458050129908 2.57664910149187 2455420.050444310 13457.7765518621 1455701.58735957 34.200568174344 -54.8122474903585 2151200.65916271 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2015-Jan-13 11:17 2_23:34 Earth 0.297578477262145 0.249019018508042 0.346185778016525 17.8951696817071 17.8946693234276 2457035.969985505 4294.38963976469 2429952.51727556 27.9286889405279 -4.40239937055322 108693.117832648 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2018-Feb-12 17:50 < 00:01 Earth 0.00525904702005749 0.00525232105776079 0.00526577276913276 9.06456635735977 9.00849985565322 2458162.242800153 0.076294686436505 331.182361750707 2.41321073915129 -0.0191085953519076 1452.72299192263 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2018-Feb-13 01:53 < 00:01 Moon 0.00610842848975929 0.00610204988983775 0.00611480717061943 9.36431275174989 9.36373978864939 2458162.578152130 0.665571981238768 320.00399846396 2.80532537962983 6.36511775168055 32968.2681402109 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2021-Feb-05 19:10 6_21:14 Earth 0.0373816575074657 0.00339198925779826 0.0776542410652541 9.91919332665731 9.91200488349838 2459251.298277114 9913.7402342356 2012142.96326777 8.59329043082605 -5.25318176700591 57099.9557905204 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2024-Feb-01 12:54 3_23:15 Earth 0.0824864855604693 0.0497835929336299 0.115327051490796 11.0736126143223 11.0706952044899 2460342.037224195 5714.82885705437 1642816.20515976 13.7601872570845 -5.46067975850153 79193.8781966697 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2027-Jan-23 10:29 1_00:18 Earth 0.172386894135143 0.160068697150662 0.184712302947749 13.8886080687827 13.8874951414973 2461428.936579478 1458.16200557969 616949.23300279 19.9944461980978 -5.19503779034855 104977.394679014 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2030-Jan-16 04:38 16:47 Earth 0.274783808168155 0.263040263607809 0.286531626520924 16.9685791064792 16.9680076501406 2462517.692933473 1007.27483569423 588197.330325833 26.4470368640882 -5.28734968641271 127344.354702684 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2033-Jan-08 20:46 1_22:25 Earth 0.395404148667943 0.359543693000442 0.431273808443135 20.5682785159463 20.5679508912364 2463606.365397927 2785.39824642664 1790973.71871266 34.5122323508993 -3.05200427653087 81242.9104599934 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2036-Jan-06 13:06 3_01:39 Earth 0.474715305303184 0.41599153773706 0.533444336137128 22.70060307378 22.7003558193435 2464699.045523006 4418.6928673916 2929508.70339276 39.8809088672492 -1.55883034849145 43200.5576180958 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2153-Jan-13 13:24 8_15:13 Earth 0.429884899437976 0.260144700740462 0.599675577709792 20.5866914245675 20.5863903481168 2507440.058222697 12433.1747038939 8468702.6350536 71.9676577231478 -1.48367515803017 20260.4036003188 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2156-Jan-14 08:22 6_13:27 Earth 0.432339523909094 0.299970633076309 0.564747118760923 20.6149663263621 20.6146673699063 2508535.848312335 9447.31419509804 6604817.17969702 78.9077820465882 -1.71857725293044 21539.0413797626 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2159-Jan-14 15:52 4_09:59 Earth 0.421041399871518 0.328266104152393 0.513853657017681 20.3050131687174 20.304701504019 2509632.161327264 6359.48640310234 4631430.18461985 86.9543022100546 -2.39947507013259 26571.4610191074 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2162-Jan-14 17:15 2_03:10 Earth 0.420161992276785 0.368527322383045 0.471827282596802 20.2205438063 20.2202301845818 2510728.219036864 3070.21435005747 2581778.99497144 111.785633716017 -3.95720899504413 34054.5669983386 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2165-Jan-13 14:30 03:30 Earth 0.419899702637001 0.409758368618509 0.4300657556917 20.4065240511281 20.4062130936087 2511823.103879044 209.519950796316 531200.77363101 319.43171408848 -17.601067672588 52577.3908282954 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2168-Jan-12 12:28 2_09:40 Earth 0.454798097185973 0.423177238419806 0.48643900198753 21.4127949143709 21.4125213099346 2512917.019205787 3459.75843520393 1584474.43676092 33.1465933775268 5.45052587095557 177181.548815425 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
2171-Jan-11 01:11 4_13:38 Earth 0.475949241647301 0.403026474578761 0.548890328054845 22.0659708772351 22.0657171709807 2514011.549413524 6578.09441993857 3639799.91460807 21.2842575180482 2.31318166522786 116608.165210153 T 3 CATAB v2.0e-lin.ifort 2018-Mar-08 06:30:12 2018-Dec-11 17:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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