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(2018 LN4)
Classification: Apollo [NEO]          SPK-ID: 3825179
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .296371950848913 0.00057551  
a 1.306482230323781 0.0010848 au
q .919277542973283 1.145e-05 au
i 24.06678226179366 0.030143 deg
node 262.29360767423 0.0003022 deg
peri 66.3479040535691 0.044413 deg
M 75.4624071394243 0.51036 deg
tp 2458886.164303597981
(2020-Feb-06.66430360)
0.63086 TDB
period 545.4484194849232
1.49
0.67935
0.00186
d
yr
n .6600074125064923 0.00082203 deg/d
Q 1.693686917674279 0.0014063 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      11 days  
   first obs. used      2018-06-12  
   last obs. used      2018-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45014  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jul-24 06:23:56  

Additional Information
 Earth MOID = .0422957 au 
 Jupiter MOID = 3.69199 au 
 T_jup = 4.857 
[ 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 23.7   n/a E2018M96  

[ 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
2006-Jun-29 17:15 8_04:03 Earth 0.349914393302005 0.0987503544868936 0.609837995529764 12.6185689339224 12.6179654706687 2453916.218836635 11763.2983050659 13040400.5461597 232.083299930714 8.34594198977883 30389.5792831003 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2006-Nov-21 14:41 4_18:29 Earth 0.271151988265741 0.271018694526185 0.37821629634172 14.2603003634599 14.2596112648345 2454061.111692616 6868.71380111613 12739660.6880198 258.358939955521 -88.2397497723199 161921.859841257 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2009-Jun-26 07:46 7_09:56 Earth 0.25894126796167 0.0886779027114747 0.459718993919539 12.480903607312 12.4800791286844 2455008.823544240 10676.2238606937 10286497.6045191 202.925529637392 17.7603836637876 55644.519540032 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2009-Nov-23 13:40 5_15:33 Earth 0.279135022204714 0.272526933782937 0.373776919180412 13.5180186454844 13.5173124965151 2455159.069288548 8133.36345737661 9746408.68135709 253.488548854278 77.5122756199174 163035.040964796 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2012-Jun-22 14:50 5_07:33 Earth 0.170654870137122 0.103415209626005 0.318533466551913 12.8322617257416 12.8310449485733 2456101.117803525 7653.4036058639 8254439.43003664 209.22293965195 37.3030170666327 72060.5189843623 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2012-Nov-26 06:12 4_20:02 Earth 0.305098917772394 0.28182697099484 0.37725323270522 13.1239003691941 13.1232349125346 2456257.758411535 6961.68514259814 6678073.08510397 246.069232132392 67.4780320775976 168302.093545112 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2015-Nov-30 09:29 2_17:05 Earth 0.340538544779615 0.312790037217912 0.378659473603121 12.9743871165328 12.9737840443142 2457356.895465966 3904.72119657448 3398197.94178716 248.857950172469 60.6165666499628 168824.349847909 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2018-Jun-16 11:30 < 00:01 Earth 0.0423551440190558 0.0421847059084859 0.0425255813276144 14.6299312253039 14.6256306382195 2458285.978996690 0.0789287531169355 8494.06727561621 58.9731874915524 -0.157555050586586 551.092710756344 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2018-Dec-03 15:20 05:25 Earth 0.378325701663497 0.376476263154999 0.380198423601196 12.9760736771399 12.9755309115698 2458456.138839650 324.901019037261 174696.280728495 617.714696090794 -57.9126874830462 64845.63191013 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2021-Jun-12 19:28 2_21:20 Earth 0.092073079538942 0.0480997068963087 0.158057612089797 15.9698924559999 15.9680802718081 2459378.311376027 4160.1614373413 3585714.48195236 65.0986710398659 -31.1354480428829 98790.3130793747 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2021-Dec-07 05:08 3_09:29 Earth 0.420013610841852 0.39099638345876 0.457293519491785 13.0451087626048 13.0446224568788 2459555.713718288 4888.62798335698 3377093.82200603 151.448151329308 60.3775117621853 331526.32556382 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2024-Jun-08 16:48 5_14:22 Earth 0.179281117381531 0.0643156606046191 0.310702428016708 17.7228556923492 17.7220170932721 2460470.199844356 8061.92041999175 6726283.24093492 85.4805270849671 -17.2146289878656 83986.5430818819 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2024-Dec-11 06:41 6_12:22 Earth 0.466729801954334 0.414430184679433 0.542336342496954 13.1437173908425 13.1432830448815 2460655.778736562 9382.39708064877 6128482.06443066 154.00490645944 57.7671956836609 346412.813535711 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2027-Jun-05 08:16 8_04:28 Earth 0.273501907397004 0.0941385765512956 0.463843480015894 19.7737235969313 19.7732309123755 2461561.844353016 11788.1606789873 9618202.03909358 97.3263818631798 -12.1514484872867 79881.59781175 T 10 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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