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(2010 WC9)
Classification: Apollo [NEO]          SPK-ID: 3552664
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2841763956225849 1.4383e-07  
a 1.069054729664654 1.9411e-07 au
q .7652546098652754 2.748e-07 au
i 17.68089716682347 2.0317e-05 deg
node 54.61877843938252 8.3072e-06 deg
peri 275.9291867187579 4.3291e-05 deg
M 242.1192588749423 0.00016049 deg
tp 2459132.702203109708
(2020-Oct-10.20220311)
0.00021596 TDB
period 403.7367992877171
1.11
0.00010996
3.011e-07
d
yr
n .891670020258548 2.4285e-07 deg/d
Q 1.372854849464032 2.4927e-07 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      2723 days (7.46 yr)  
   first obs. used      2010-11-30  
   last obs. used      2018-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .26816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-06 05:18:25  

Additional Information
 Earth MOID = .00100916 au 
 Jupiter MOID = 3.99678 au 
 T_jup = 5.695 
[ 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 23.6   n/a E2018L03  
rotation period rot_per 0.18469 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 366-379.]

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