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(2018 VR1)
Classification: Apollo [NEO]          SPK-ID: 3836003
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458427.5 (2018-Nov-05.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5154801229479304 0.0010794  
a 1.950463558825854 0.0042318 au
q .9450383637168447 5.502e-05 au
i 1.519457385507034 0.0029646 deg
node 179.1025831109857 0.0084298 deg
peri 264.9207325035504 0.0066139 deg
M 347.9992699894202 0.042887 deg
tp 2458460.667317815821
(2018-Dec-08.16731782)
0.010598 TDB
period 994.9590069245062
2.72
3.238
0.008865
d
yr
n .3618239520367652 0.0011775 deg/d
Q 2.955888753934863 0.0064132 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      6 days  
   first obs. used      2018-11-03  
   last obs. used      2018-11-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .3857  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:47:38  

Additional Information
 Earth MOID = .0214596 au 
 Jupiter MOID = 2.31085 au 
 T_jup = 3.717 
[ 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 26.5   .39707 E2018V64 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-Nov-10 14:19 < 00:01 Earth 0.0338869353546543 0.0336933413444522 0.0340805253249646 9.28218989465111 9.27371512471139 2458433.096723644 0.315554175482932 9635.98611193187 18.4221922701192 -0.0383615340601347 329.797667485123 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:47:38 2021-Apr-15 20:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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