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(2018 VP1)
Classification: Apollo [NEO]          SPK-ID: 3835977
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4299169855584612 0.00028034  
a 1.587720805090822 0.00069493 au
q .9051326626577225 4.8933e-05 au
i 3.24188597885521 0.0016748 deg
node 39.81558937153621 3.7004e-05 deg
peri 315.1242174088736 0.0021297 deg
M 300.7151180739548 0.19924 deg
tp 2459120.837528840327
(2020-Sep-28.33752884)
0.48343 TDB
period 730.7345308802146
2.00
0.47976
0.001314
d
yr
n .4926549722049647 0.00032345 deg/d
Q 2.270308947523921 0.0009937 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      13 days  
   first obs. used      2018-11-03  
   last obs. used      2018-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .53329  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Nov-19 06:41:32  

Additional Information
 Earth MOID = 5.54556E-5 au 
 Jupiter MOID = 3.17628 au 
 T_jup = 4.273 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458430.5 (2018-Nov-08.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4301551206901138 0.00027959  
q .9052013382743463 4.751e-05 au
tp 2458390.235847257376
(2018-Sep-28.73584726)
0.0032193 TDB
node 39.83353426347573 5.3027e-05 deg
peri 315.1271272769889 0.0021461 deg
i 3.244561695912688 0.0016699 deg
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      13 days  
   first obs. used      2018-11-03  
   last obs. used      2018-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .53329  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Nov-19 06:41:32  

Additional Information
 Jupiter MOID = 3.17628 au 
 T_jup = 4.273 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.817331925422801E-8 -1.32834791840758E-8 9.000579909126937E-7 -1.425000763066228E-8 -5.99823427980944E-7 4.668824736137668E-7
q -1.32834791840758E-8 2.257217902571795E-9 -1.529352933671316E-7 2.41910789713858E-9 1.019357700106198E-7 -7.933489470957925E-8
tp 9.000579909126937E-7 -1.529352933671316E-7 1.036370365947828E-5 -1.643242517501973E-7 -6.904618012379058E-6 5.375430494182437E-6
node -1.425000763066228E-8 2.41910789713858E-9 -1.643242517501973E-7 2.811850621386657E-9 1.086735408813335E-7 -8.503766502311552E-8
peri -5.99823427980944E-7 1.019357700106198E-7 -6.904618012379058E-6 1.086735408813335E-7 4.60564174102176E-6 -3.582586449717219E-6
i 4.668824736137668E-7 -7.933489470957925E-8 5.375430494182437E-6 -8.503766502311552E-8 -3.582586449717219E-6 2.788457721635576E-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 30.9   .36679 E2018W27 autocmod 2.6q

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