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(2015 YT)
Classification: Aten [NEO]          SPK-ID: 3738552
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2563886958552222 0.00047716  
a .9477543888766252 9.596e-05 au
q .7047608771214842 0.0004314 au
i 1.578888086869243 0.0036453 deg
node 270.8155569895085 0.0063413 deg
peri 53.40111743538877 0.022651 deg
M 242.4785170411219 0.35055 deg
tp 2459310.516264672089
(2021-Apr-06.01626467)
0.34471 TDB
period 337.0094920926956
0.92
0.051183
0.0001401
d
yr
n 1.068219170221415 0.00016224 deg/d
Q 1.190747900631766 0.00012056 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      2 days  
   first obs. used      2015-12-17  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .33599  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:29:43  

Additional Information
 Earth MOID = .00630857 au 
 Jupiter MOID = 4.07598 au 
 T_jup = 6.315 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457375.5 (2015-Dec-19.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2566274224531983 0.00047509  
q .704469999821173 0.00042548 au
tp 2457288.445998430429
(2015-Sep-22.94599843)
0.046621 TDB
node 270.9023451220881 0.0055529 deg
peri 53.32586670767034 0.021154 deg
i 1.579024193464593 0.0036284 deg
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      2 days  
   first obs. used      2015-12-17  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .33599  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:29:43  

Additional Information
 Jupiter MOID = 4.07598 au 
 T_jup = 6.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.257145298694212E-7 -1.993797123859793E-7 2.182946776257127E-5 -2.151584716026515E-6 5.007292892049014E-7 1.588905005358103E-6
q -1.993797123859793E-7 1.810360655048006E-7 -1.87287984533636E-5 1.677305267869729E-6 1.03916009801375E-6 -1.305140633624567E-6
tp 2.182946776257127E-5 -1.87287984533636E-5 .002173545051653316 -.0002332100843110856 .0002152214187376417 .000164739210835967
node -2.151584716026515E-6 1.677305267869729E-6 -.0002332100843110856 3.08347467819159E-5 -7.219636261739244E-5 -1.965949883835251E-5
peri 5.007292892049014E-7 1.03916009801375E-6 .0002152214187376417 -7.219636261739244E-5 .0004475108264697207 3.320059698844149E-5
i 1.588905005358103E-6 -1.305140633624567E-6 .000164739210835967 -1.965949883835251E-5 3.320059698844149E-5 1.316533342829661E-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 25.8   n/a MPO358618  

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