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(2018 VQ8)
Classification: Apollo [NEO]          SPK-ID: 3836213
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458437.5 (2018-Nov-15.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5987321728134711 0.0015648  
a 2.483986418206021 0.0097336 au
q .9967438327943785 1.8761e-05 au
i 5.643357538504379 0.010059 deg
node 43.77854782912785 0.0066141 deg
peri 346.7807603640051 0.0024519 deg
M 4.061924993186625 0.024576 deg
tp 2458421.365643417023
(2018-Oct-29.86564342)
0.0027919 TDB
period 1429.954610096084
3.92
8.405
0.02301
d
yr
n .251756242791378 0.0014798 deg/d
Q 3.971229003617664 0.015561 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      9 days  
   first obs. used      2018-11-12  
   last obs. used      2018-11-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .40124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:48:13  

Additional Information
 Earth MOID = .0114915 au 
 Jupiter MOID = 1.47397 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 2.448723270484536E-6 2.934423230325541E-8 4.353127734869346E-6 -1.03496606462245E-5 -3.80055065865544E-6 1.574111868374277E-5
q 2.934423230325541E-8 3.519775658866905E-10 5.230065687566742E-8 -1.240419418417939E-7 -4.535314272549457E-8 1.886058711419492E-7
tp 4.353127734869346E-6 5.230065687566742E-8 7.794922024381178E-6 -1.840541391831639E-5 -6.677072052891134E-6 2.797135650718999E-5
node -1.03496606462245E-5 -1.240419418417939E-7 -1.840541391831639E-5 4.374611762346115E-5 1.605194050045882E-5 -6.652789736555565E-5
peri -3.80055065865544E-6 -4.535314272549457E-8 -6.677072052891134E-6 1.605194050045882E-5 6.011959664441875E-6 -2.444911326844296E-5
i 1.574111868374277E-5 1.886058711419492E-7 2.797135650718999E-5 -6.652789736555565E-5 -2.444911326844296E-5 .0001011924203289632

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 24.9   .32981 E2018X48 autocmod 2.6q

[ 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
2018-Aug-14 09:21 09:30 Mars 0.0921175506249123 0.0914110045688018 0.0928267661782406 12.8270044560456 12.8267621620413 2458344.889574322 569.615465252329 43100.4341837103 502.821269707796 -35.0192650201891 13870.1556388915 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 20:48:13 2021-Apr-15 20:48
2018-Nov-14 16:31 < 00:01 Earth 0.0461787305391136 0.0458688225049515 0.0464886335079016 9.74166650386221 9.73574176524984 2458437.188092671 0.270174486287201 15434.8923835902 46.3819594991997 0.108125657639001 284.999976660512 T 6 CATAB v2.0g-lin.ifort 2021-Apr-15 20:48:13 2021-Apr-15 20:48
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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