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(2019 WC5)
Classification: Apollo [NEO]          SPK-ID: 3893730
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5714911942708355 2.7952e-05  
a 2.074757463535018 0.00012885 au
q .8890518428770611 2.7993e-06 au
i 9.552186052889082 0.00031419 deg
node 112.3545856351207 7.1642e-05 deg
peri 42.37132417825023 7.3003e-05 deg
M 101.8523168926602 0.0093688 deg
tp 2458891.671165796399
(2020-Feb-12.17116580)
0.0003616 TDB
period 1091.564568241139
2.99
0.10168
0.0002784
d
yr
n .329801837174026 3.0722e-05 deg/d
Q 3.260463084192974 0.00020248 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      44 days  
   first obs. used      2019-11-26  
   last obs. used      2020-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .43985  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:25  

Additional Information
 Earth MOID = .000575116 au 
 Jupiter MOID = 1.78311 au 
 T_jup = 3.530 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458824.5 (2019-Dec-07.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5727240600954033 2.7847e-05  
q .8893517481307395 2.9357e-06 au
tp 2458891.488443295601
(2020-Feb-11.98844330)
0.00034841 TDB
node 112.3703627944275 7.0007e-05 deg
peri 42.18825120384982 6.9135e-05 deg
i 9.537265990019652 0.00031557 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      44 days  
   first obs. used      2019-11-26  
   last obs. used      2020-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .43985  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:25  

Additional Information
 Jupiter MOID = 1.78311 au 
 T_jup = 3.530 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.754796118783015E-10 -8.132855278580376E-11 -9.68529875586556E-9 1.735383203641197E-9 -2.669252532712778E-10 8.784138051360558E-9
q -8.132855278580376E-11 8.618375039535867E-12 1.010061600253819E-9 -1.741253219342198E-10 8.083398998248623E-12 -9.232132867695721E-10
tp -9.68529875586556E-9 1.010061600253819E-9 1.213890366869557E-7 -2.210685976893616E-8 4.601324814384143E-9 -1.095819318296673E-7
node 1.735383203641197E-9 -1.741253219342198E-10 -2.210685976893616E-8 4.900992860813987E-9 -2.599998772637582E-9 1.941071394727185E-8
peri -2.669252532712778E-10 8.083398998248623E-12 4.601324814384143E-9 -2.599998772637582E-9 4.77966337588396E-9 -2.510265412993145E-9
i 8.784138051360558E-9 -9.232132867695721E-10 -1.095819318296673E-7 1.941071394727185E-8 -2.510265412993145E-9 9.958707609235323E-8

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 22.5   .35273 E2020-AB4 autocmod 2.8
rotation period rot_per 0.293230 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2020) http://www.asu.cas.cz/~ppravec/neo.htm]

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