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(2018 LQ)
Classification: Mars-crossing Asteroid          SPK-ID: 3825092
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4603721631465724 0.00021339  
a 3.066782156059128 0.0014449 au
q 1.654921020974878 0.00013983 au
i 33.03261315129293 0.0026142 deg
node 241.2419071987428 0.0016433 deg
peri 28.48129343672818 0.014095 deg
M 120.3231609942304 0.082085 deg
tp 2458344.853797235818
(2018-Aug-14.35379724)
0.023662 TDB
period 1961.655852828064
5.37
1.3863
0.003795
d
yr
n .1835184288217519 0.00012969 deg/d
Q 4.478643291143379 0.00211 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      97 days  
   first obs. used      2018-06-03  
   last obs. used      2018-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .27454  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-24 02:40:03  

Additional Information
 Earth MOID = .678789 au 
 Jupiter MOID = .857253 au 
 T_jup = 2.839 
[ 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 18.67   .43782 2 autocmod 2.8

[ 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
1988-Oct-27 03:05 1_11:18 Jupiter 1.92569447431041 1.80305112575545 2.06145298687634 8.44558114393596 8.39333871791629 2447461.628267262 2118.49079357512 10237535.7443133 41286.5025085472 51.0985028060226 6372.20073090064 T 2 CATAB v2.0f-lin.ifort 2020-Sep-24 02:40:03 2020-Sep-24 02:40
2036-Sep-05 18:16 8_02:45 Jupiter 1.00739936589158 0.963809461922821 1.05534012857979 8.64697589725438 8.54918650670038 2464942.261233139 11684.6491935965 4030413.48277834 21816.4617115385 55.782605407744 4254.49898225008 T 2 CATAB v2.0f-lin.ifort 2020-Sep-24 02:40:03 2020-Sep-24 02:40
2048-Feb-19 14:19 4_09:46 Jupiter 1.94736655103677 1.80797318237446 2.10839299375748 8.30132529507575 8.24876268315841 2469126.096783787 6345.87932721946 12720705.8349747 45860.3675307422 53.9132656513033 5690.34132729484 T 2 CATAB v2.0f-lin.ifort 2020-Sep-24 02:40:03 2020-Sep-24 02:40
2155-Aug-11 20:04 08:41 Jupiter 1.91694743309247 1.90150916394891 1.93246113133631 11.0134029495779 10.9732093938564 2508380.336157509 521.487171681815 978749.675914236 49531.8502902396 38.5162343027803 2415.7548214566 T 2 CATAB v2.0f-lin.ifort 2020-Sep-24 02:40:03 2020-Sep-24 02:40
2166-Nov-12 12:05 2_06:19 Jupiter 1.10255461028871 1.0750482976363 1.13007169156949 7.38174874731097 7.27693217594012 2512491.003276926 3259.268938755 1382748.39826897 17320.8630319922 7.69584002999988 1231.24090981684 T 2 CATAB v2.0f-lin.ifort 2020-Sep-24 02:40:03 2020-Sep-24 02:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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