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(2020 VT4)
Classification: Apollo [NEO]          SPK-ID: 54087809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2464855429334065 0.00011742  
a 1.313074906750515 0.00020268 au
q .989420925447882 1.6158e-06 au
i 12.91916597534899 0.0063694 deg
node 231.5802447825618 0.00011685 deg
peri 180.8059202404413 0.035191 deg
M 250.2722371148244 0.011337 deg
tp 2459168.012300868707
(2020-Nov-14.51230087)
0.031388 TDB
period 549.5822272057079
1.50
0.12725
0.0003484
d
yr
n .6550430166389869 0.00015167 deg/d
Q 1.636728888053147 0.00025264 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      5 days  
   first obs. used      2020-11-14  
   last obs. used      2020-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .41425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-19 05:21:44  

Additional Information
 Earth MOID = .000561539 au 
 Jupiter MOID = 3.718 au 
 T_jup = 4.912 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459169.5 (2020-Nov-16.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2037412625183684 6.3379e-05  
q .7226637007862736 6.4944e-05 au
tp 2459074.370740381105
(2020-Aug-12.87074038)
0.009524 TDB
node 231.4471889040301 0.00020058 deg
peri 53.66500426815464 0.0017111 deg
i 10.21258042508346 0.0036052 deg
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      5 days  
   first obs. used      2020-11-14  
   last obs. used      2020-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .41425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-19 05:21:44  

Additional Information
 Jupiter MOID = 3.718 au 
 T_jup = 4.912 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.016903341778651E-9 -4.116009730047538E-9 6.035983755946414E-7 1.125966447427509E-8 1.078160864314204E-7 2.284881483851246E-7
q -4.116009730047538E-9 4.217750517585051E-9 -6.184680004200181E-7 -1.156391250595214E-8 -1.103960379824608E-7 -2.34124351767881E-7
tp 6.035983755946414E-7 -6.184680004200181E-7 9.070727668250863E-5 1.693818657830632E-6 1.621055656278854E-5 3.433492363366367E-5
node 1.125966447427509E-8 -1.156391250595214E-8 1.693818657830632E-6 4.023314356402734E-8 2.910721921197979E-7 6.414572746693456E-7
peri 1.078160864314204E-7 -1.103960379824608E-7 1.621055656278854E-5 2.910721921197979E-7 2.92778528997495E-6 6.133197327051366E-6
i 2.284881483851246E-7 -2.34124351767881E-7 3.433492363366367E-5 6.414572746693456E-7 6.133197327051366E-6 1.299758136821354E-5

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 28.661   .48648 4 autocmod 2.8

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