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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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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 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  

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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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