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(2018 LA)
Classification: Apollo [NEO]          SPK-ID: 3825058
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.


Orbital Elements at Epoch 2458271.5 (2018-Jun-02.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4318612059805853 6.051e-05  
a 1.376398739057521 0.00011091 au
q .7819855196979832 2.0339e-05 au
i 4.297409951890678 0.00042943 deg
node 71.86960533671854 1.1966e-05 deg
peri 256.0486906916353 0.0005471 deg
M 326.7297817374431 0.0055821 deg
tp 2458326.008969939779
(2018-Jul-26.50896994)
0.0025575 TDB
period 589.8136592751157
1.61
0.071292
0.0001952
d
yr
n .610362263299297 7.3776e-05 deg/d
Q 1.97081195841706 0.00015881 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   first obs. used      2018-06-02  
   last obs. used      2018-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .71690  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Feb-18 10:38:44  

Additional Information
 Earth MOID = 2.45983E-5 au 
 Jupiter MOID = 3.38823 au 
 T_jup = 4.706 
 not valid after 2018-Jun-02.69791666 
 See Jenniskens et al. (2021) 
[ 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 30.5   n/a E2018O23  

[ 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
1961-Jan-04 18:01 1_15:55 Mars 0.0208559263618683 0.0177139927251233 0.249813852374094 7.47819278150702 7.47635694770273 2437304.250376861 2395.04770122193 11877277.6967296 137.285378933474 58.1582935560837 18890.1120847752 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
1976-Nov-03 03:26 4_19:50 Earth 0.0387684404704422 0.0384602074907283 0.078645507302302 12.1874859829187 12.1818454465098 2443085.643289144 6949.74607278021 3178335.20240637 59.1011454178854 -82.7807144646736 116079.903039538 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
1981-May-19 07:43 1_12:37 Earth 0.234391338462239 0.204530105195368 0.264254882668511 19.1581836319494 19.1575902652196 2444743.821827921 2197.38951017148 1489568.78633222 16.6394751344161 -1.45098425294769 46767.5750172647 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
1984-Nov-18 18:58 07:54 Earth 0.281697717849491 0.277897725212596 0.285500448460417 20.643593590854 20.6431353977513 2446023.290189222 474.26006439162 194551.704169434 206.748342314696 13.0124397386783 43130.2039788524 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
1987-Dec-27 02:25 1_18:31 Venus 0.127577869537519 0.105966236435842 0.149216240301187 9.8643238987292 9.86259820283351 2447156.600873487 2551.25608818295 1082278.02214628 66.7708601389053 4.97295622965706 16211.043986892 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
1989-Jun-05 14:45 2_21:11 Earth 0.0394772288138316 0.00908039279167693 0.0698975087596207 11.2160417446412 11.2100224911706 2447683.114638848 4150.81385822871 1517111.43328411 2.55174002185266 0.793749230188387 32939.2316340657 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
1997-Aug-15 10:54 6_01:10 Earth 0.237735194333938 0.236463077289649 0.23909000475879 10.864281340656 10.8632496761372 2450675.954249543 8709.8257620943 230617.035434162 263.813848478869 73.5006746640211 93062.3697700891 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
1997-Nov-26 00:00 4_06:41 Earth 0.451748793117495 0.425877048032371 0.477659896802247 6.90058015793973 6.899725373417 2450778.499990632 6161.00579484915 1308113.07474603 67.9360353677541 -9.38017399459069 79132.2589831685 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
2000-Nov-01 06:05 4_01:46 Venus 0.0942223322749135 0.0641674325176438 0.125603169343752 7.94202897017726 7.93912653189926 2451849.753448200 5866.30893083017 1630388.03713423 47.939020994381 18.9792315230532 42609.4691642196 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
2005-Oct-26 11:15 3_15:37 Earth 0.0966832454394587 0.0727075520956516 0.121433895931995 9.72228123017 9.7194462091589 2453669.968495086 5257.00977183209 1289460.09386392 47.3692708033701 -18.896223191401 147848.398463353 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
2010-May-16 03:21 20:42 Earth 0.306248161644377 0.288827521602858 0.323669657564818 21.2657031195777 21.2652939877203 2455332.639770604 1241.75008650083 869093.284353097 21.943641113766 -1.7125076366322 54952.6065195669 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
2013-Nov-16 09:05 13:21 Earth 0.224976678058174 0.213863649042199 0.236107002226379 18.9320719029124 18.9314463214267 2456612.878332139 801.188205036645 563248.949693901 120.14482200097 10.0529115143455 46265.9828164331 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
2018-Jun-02 10:51 < 00:01 Moon 0.00213988824276491 0.00213984420816155 0.00213993227739528 11.7438869677558 11.742582780548 2458271.951935457 0.127780574132106 2.2289869425709 0.276807688478665 11.2146398824076 123977.97879526 T 8 CATAB v2.0g-lin.ifort 2021-Apr-20 16:02:02 2021-Apr-20 16:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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