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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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5154800152157285 0.0010794  
a 1.950463144520144 0.0042318 au
q .9450383731051825 5.502e-05 au
i 1.519457143456641 0.0029646 deg
node 179.1025845160501 0.0084298 deg
peri 264.920729679414 0.0066139 deg
M 347.9992660794032 0.042887 deg
tp 2458460.667318054423
(2018-Dec-08.16731805)
0.010598 TDB
period 994.9586899097327
2.72
3.238
0.008865
d
yr
n .3618240673214894 0.0011775 deg/d
Q 2.955887915935105 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .38568  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Nov-09 06:25:59  

Additional Information
 Earth MOID = .0214596 au 
 Jupiter MOID = 2.31085 au 
 T_jup = 3.717 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.165125422481702E-6 -5.933188838972298E-8 -1.142959928005894E-5 8.474421045060459E-6 -5.97598827914169E-6 3.198774948414069E-6
q -5.933188838972298E-8 3.027189898798813E-9 5.809761205048933E-7 -4.251891291839186E-7 2.964538246653557E-7 -1.627236986335447E-7
tp -1.142959928005894E-5 5.809761205048933E-7 .0001123140661321872 -8.427957146363585E-5 6.0045096621349E-5 -3.140936386301456E-5
node 8.474421045060459E-6 -4.251891291839186E-7 -8.427957146363585E-5 7.106108701351708E-5 -5.452785351610868E-5 2.351935375888462E-5
peri -5.97598827914169E-6 2.964538246653557E-7 6.0045096621349E-5 -5.452785351610868E-5 4.374386183098406E-5 -1.67031836351477E-5
i 3.198774948414069E-6 -1.627236986335447E-7 -3.140936386301456E-5 2.351935375888462E-5 -1.67031836351477E-5 8.788881742310637E-6

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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