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469914 (2005 YE87)
Classification: Main-belt Asteroid          SPK-ID: 2469914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 .03680737961053108 5.7111e-08  
a 2.714334028823554 2.8272e-08 au
q 2.614426505834864 1.55e-07 au
i 2.775633363622174 6.1757e-06 deg
node 102.9185659796595 0.00015285 deg
peri 6.925732225184526 0.00018634 deg
M 77.39475300312299 0.00010659 deg
tp 2458649.342149710197
(2019-Jun-14.84214971)
0.00048218 TDB
period 1633.403056396186
4.47
2.5519e-05
6.987e-08
d
yr
n .2203987549737272 3.4434e-09 deg/d
Q 2.814241551812245 2.9312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6607 days (18.09 yr)  
   first obs. used      2002-03-20  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:48:47  

Additional Information
 Earth MOID = 1.63114 au 
 Jupiter MOID = 2.21259 au 
 T_jup = 3.359 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457420.5 (2016-Feb-02.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03747500383075069 5.7339e-08  
q 2.613304830655335 1.5578e-07 au
tp 2457022.265698960503
(2014-Dec-30.76569896)
0.00046613 TDB
node 102.9302903175359 0.00015286 deg
peri 8.44225718561494 0.00018504 deg
i 2.775524729792587 6.175e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6607 days (18.09 yr)  
   first obs. used      2002-03-20  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:48:47  

Additional Information
 Jupiter MOID = 2.21259 au 
 T_jup = 3.359 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.287736270287418E-15 -8.797245812592978E-15 3.435567013235896E-12 -4.103759219193163E-15 7.013901013166214E-13 -1.391040108088528E-15
q -8.797245812592978E-15 2.426787446683798E-14 -6.916298156520188E-12 1.156245822666686E-14 -1.336049331991494E-12 3.949388917418418E-15
tp 3.435567013235896E-12 -6.916298156520188E-12 2.172772526748456E-7 -1.369401058303268E-11 4.867861864001492E-8 -1.495592800762823E-11
node -4.103759219193163E-15 1.156245822666686E-14 -1.369401058303268E-11 2.336476437727271E-8 -2.333996919239708E-8 9.515362574551526E-11
peri 7.013901013166214E-13 -1.336049331991494E-12 4.867861864001492E-8 -2.333996919239708E-8 3.424082340672951E-8 -9.835264471448451E-11
i -1.391040108088528E-15 3.949388917418418E-15 -1.495592800762823E-11 9.515362574551526E-11 -9.835264471448451E-11 3.813104254533352E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO419285  

469914 (2005 YE87)          Discovered 2005-Dec-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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