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(2018 LD3)
Classification: Apollo [NEO]          SPK-ID: 3825139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458282.5 (2018-Jun-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .283575270726776 0.0007342  
a 1.407289675612709 0.0015153 au
q 1.008217124859838 5.2393e-05 au
i 25.05270231764353 0.033481 deg
node 89.92421709837986 0.0016137 deg
peri 220.5353739884349 0.036595 deg
M 331.7105217895494 0.07049 deg
tp 2458330.417716697215
(2018-Jul-30.91771670)
0.042004 TDB
period 609.7807065463954
1.67
0.98488
0.002696
d
yr
n .5903761731638344 0.00095354 deg/d
Q 1.806362226365579 0.001945 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      15 days  
   first obs. used      2018-06-08  
   last obs. used      2018-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .50408  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jul-24 06:23:56  

Additional Information
 Earth MOID = .0454376 au 
 Jupiter MOID = 3.45858 au 
 T_jup = 4.601 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 5.39046942954312E-7 3.845874346667263E-8 -3.083919167900618E-5 -1.184752520565345E-6 -2.68676010968028E-5 2.458177063525697E-5
q 3.845874346667263E-8 2.745052138012537E-9 -2.200430102060122E-6 -8.452956265991346E-8 -1.917147309485502E-6 1.753889386001625E-6
tp -3.083919167900618E-5 -2.200430102060122E-6 .001764360542868882 6.77806587083592E-5 .001537154572478967 -.001406347495548879
node -1.184752520565345E-6 -8.452956265991346E-8 6.77806587083592E-5 2.603991787674021E-6 5.905174527247395E-5 -5.402780590625151E-5
peri -2.68676010968028E-5 -1.917147309485502E-6 .001537154572478967 5.905174527247395E-5 .001339215151289591 -.001225239175263789
i 2.458177063525697E-5 1.753889386001625E-6 -.001406347495548879 -5.402780590625151E-5 -.001225239175263789 .001120993528648584

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 23.6   n/a E2018-MA5  

[ 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
2013-Jun-22 00:12 6_21:25 Earth 0.052863658711362 0.0450246377300745 0.183333168888689 14.6253582150748 14.6219115442807 2456465.508664937 9925.12948720309 7481172.75587493 74.2924007202825 58.4063860293868 86907.7911610494 T 8 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2018-Jun-24 11:55 < 00:01 Earth 0.0505395232130802 0.0503134240051623 0.0507656213555797 14.1425572836946 14.1388289865484 2458293.996317457 0.0709377887212179 11268.6858447066 19.4074489931757 -0.121947570614989 515.934081669281 T 8 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2018-Nov-02 09:50 10:05 Earth 0.476805388484625 0.473551580682835 0.480060098201673 11.2665749225153 11.2660789143193 2458424.909679723 604.865678072145 165538.922691803 557.562471580095 11.3857773313374 28463.51411014 T 8 CATAB v2.0e-lin.ifort 2018-Jul-24 06:23:58 2018-Dec-11 17:21
2023-Jun-27 13:21 7_00:18 Earth 0.0951093256013389 0.0419732141504276 0.238275526337725 13.7139530922775 13.7119101366012 2460123.056526210 10097.7894552544 7440326.94122364 41.2898083060209 -26.1930257415431 144891.792363505 T 8 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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