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97255 (1999 XS114)
Classification: Main-belt Asteroid          SPK-ID: 2097255
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781316360070475 3.4153e-08  
a 2.558294663654468 1.1706e-08 au
q 2.102581449829599 8.715e-08 au
i 13.6012713101759 5.0042e-06 deg
node 4.270841985002628 1.2138e-05 deg
peri 294.3714923217931 1.9208e-05 deg
M 100.9261690294924 1.4405e-05 deg
tp 2458581.488867126213
(2019-Apr-07.98886713)
6.0019e-05 TDB
period 1494.597578458408
4.09
1.0259e-05
2.809e-08
d
yr
n .2408675118899359 1.6533e-09 deg/d
Q 3.014007877479338 1.3792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1762  
   data-arc span      7695 days (21.07 yr)  
   first obs. used      1999-10-05  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:19:09  

Additional Information
 Earth MOID = 1.12928 au 
 Jupiter MOID = 2.38821 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457313.5 (2015-Oct-18.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786857855975992 3.4168e-08  
q 2.101090893180824 8.7323e-08 au
tp 2457088.443455822406
(2015-Mar-06.94345582)
6.1871e-05 TDB
node 4.307053617601072 1.2126e-05 deg
peri 294.6289577935349 1.9176e-05 deg
i 13.61011172852923 5.0068e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1762  
   data-arc span      7695 days (21.07 yr)  
   first obs. used      1999-10-05  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:19:09  

Additional Information
 Jupiter MOID = 2.38821 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.167421072333718E-15 -2.965279015182707E-15 1.001070320916958E-12 2.237825722208365E-15 1.972486676420516E-13 -4.691080870924094E-16
q -2.965279015182707E-15 7.625261206198671E-15 -2.727936786389509E-12 -6.693998724517457E-15 -5.43055389139559E-13 1.977941183246276E-15
tp 1.001070320916958E-12 -2.727936786389509E-12 3.828051019101826E-9 4.963297573012196E-12 9.198729952511552E-10 -6.012713581297193E-12
node 2.237825722208365E-15 -6.693998724517457E-15 4.963297573012196E-12 1.470285047694976E-10 -1.41246222712506E-10 4.223976730829685E-12
peri 1.972486676420516E-13 -5.43055389139559E-13 9.198729952511552E-10 -1.41246222712506E-10 3.677187407450857E-10 -5.502629932578592E-12
i -4.691080870924094E-16 1.977941183246276E-15 -6.012713581297193E-12 4.223976730829685E-12 -5.502629932578592E-12 2.506792596332398E-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 13.8   n/a MPO436449  
diameter diameter 4.696 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.301   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97255 (1999 XS114)          Discovered 1999-Dec-11 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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