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JPL Small-Body Database Browser
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(2010 WC9)
Classification: Apollo [NEO]          SPK-ID: 3552664
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2841943382183108 1.4402e-07  
a 1.06909984700064 1.9297e-07 au
q .7652677234929957 2.7426e-07 au
i 17.68020301704094 2.0322e-05 deg
node 54.61345027131205 8.3206e-06 deg
peri 275.9479465787393 4.3441e-05 deg
M 235.1932587561381 0.00025611 deg
tp 2459536.478511470811
(2021-Nov-17.97851147)
0.00032513 TDB
period 403.7623579244793
1.11
0.00010932
2.993e-07
d
yr
n .8916135764873241 2.414e-07 deg/d
Q 1.372931970508284 2.4781e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .26816  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:31:48  

Additional Information
 Earth MOID = .00140807 au 
 Jupiter MOID = 3.99507 au 
 T_jup = 5.695 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457567.5 (2016-Jun-28.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2787623400724845 9.5852e-08  
q .7783190551214885 1.0774e-07 au
tp 2457505.515655219791
(2016-Apr-27.01565522)
1.0621e-05 TDB
node 54.66179909746017 8.2633e-06 deg
peri 273.5228106384697 9.3851e-06 deg
i 17.99287999206842 1.7819e-05 deg
  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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .26816  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:31:48  

Additional Information
 Jupiter MOID = 3.99507 au 
 T_jup = 5.695 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.187516061628888E-15 -1.032661239223036E-14 -1.038470921468516E-13 -3.781041493851734E-13 8.154099198616107E-13 -7.793066737984381E-13
q -1.032661239223036E-14 1.160777131088711E-14 1.187067044313665E-13 4.273794365271948E-13 -9.157504307406129E-13 8.745021252977699E-13
tp -1.038470921468516E-13 1.187067044313665E-13 1.127964319210111E-10 7.842736738143275E-11 2.990904413106553E-11 6.053096159129897E-11
node -3.781041493851734E-13 4.273794365271948E-13 7.842736738143275E-11 6.828249477689639E-11 -9.444267365321924E-12 5.129238353654191E-11
peri 8.154099198616107E-13 -9.157504307406129E-13 2.990904413106553E-11 -9.444267365321924E-12 8.807945402164056E-11 -3.937638545883158E-11
i -7.793066737984381E-13 8.745021252977699E-13 6.053096159129897E-11 5.129238353654191E-11 -3.937638545883158E-11 3.17521706992686E-10

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 23.5   n/a MPO543622  
rotation period rot_per 0.18469 h n/a LCDB (Rev. 2020-October); 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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