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JPL Small-Body Database Browser
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379618 (2011 CY115)
Classification: Main-belt Asteroid          SPK-ID: 2379618
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237073537049228 6.0445e-07  
a 2.524454384721238 3.9123e-08 au
q 2.212160813238585 1.5475e-06 au
i 3.354224343477937 7.8654e-06 deg
node 228.030438560705 0.00011506 deg
peri 70.66498909328119 0.0010501 deg
M 334.6007485874513 0.0012485 deg
tp 2459103.863720859260
(2020-Sep-11.36372086)
0.0050795 TDB
period 1465.040796082252
4.01
3.4057e-05
9.324e-08
d
yr
n .245726945599533 5.7123e-09 deg/d
Q 2.836747956203892 4.3963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4871 days (13.34 yr)  
   first obs. used      2005-10-28  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .67115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:18:01  

Additional Information
 Earth MOID = 1.19921 au 
 Jupiter MOID = 2.34566 au 
 T_jup = 3.441 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457143.5 (2015-May-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1224837666758846 6.0061e-07  
q 2.215713654340048 1.5161e-06 au
tp 2457639.155343231051
(2016-Sep-07.65534323)
0.0051222 TDB
node 228.0674149667173 0.00011511 deg
peri 70.5257053613102 0.0010556 deg
i 3.353037009593105 7.8553e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4871 days (13.34 yr)  
   first obs. used      2005-10-28  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .67115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:18:01  

Additional Information
 Jupiter MOID = 2.34566 au 
 T_jup = 3.441 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.607343727275517E-13 -9.104700118030812E-13 3.058086621526549E-9 1.146161086075527E-11 6.264328442122978E-10 1.417734597035699E-12
q -9.104700118030812E-13 2.2986914442883E-12 -7.72006661709184E-9 -2.893630057696005E-11 -1.581476853477984E-9 -3.578623781229784E-12
tp 3.058086621526549E-9 -7.72006661709184E-9 2.623722046925581E-5 9.825056229310801E-8 5.375854418390542E-6 1.212229022145198E-8
node 1.146161086075527E-11 -2.893630057696005E-11 9.825056229310801E-8 1.325055176403664E-8 7.271037383707413E-9 1.011605655685225E-10
peri 6.264328442122978E-10 -1.581476853477984E-9 5.375854418390542E-6 7.271037383707413E-9 1.114353180823494E-6 2.428007656206804E-9
i 1.417734597035699E-12 -3.578623781229784E-12 1.212229022145198E-8 1.011605655685225E-10 2.428007656206804E-9 6.170611626377039E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO434348  

379618 (2011 CY115)          Discovered 2005-Oct-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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Alternate Designations
 2011 CY115 = 2005 WS85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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