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97257 (1999 XE115)
Classification: Inner Main-belt Asteroid          SPK-ID: 2097257
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09971294467395021 6.1965e-08  
a 1.935308966461339 7.1073e-09 au
q 1.74233361056158 1.1994e-07 au
i 24.36268426174701 4.3273e-06 deg
node 77.47403896240198 1.0446e-05 deg
peri 106.7215415549512 2.4636e-05 deg
M 145.3691513739286 2.0674e-05 deg
tp 2458603.405708007417
(2019-Apr-29.90570801)
5.656e-05 TDB
period 983.3857029928847
2.69
5.4171e-06
1.483e-08
d
yr
n .3660821983727831 2.0166e-09 deg/d
Q 2.128284322361099 7.8159e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1297  
   data-arc span      9280 days (25.41 yr)  
   first obs. used      1995-05-30  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42223  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:19:09  

Additional Information
 Earth MOID = .818884 au 
 Jupiter MOID = 2.99364 au 
 T_jup = 3.794 
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Orbital Elements at Epoch 2457635.5 (2016-Sep-04.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09962651944429533 6.1967e-08  
q 1.74268569420943 1.1991e-07 au
tp 2457619.710527591845
(2016-Aug-19.21052759)
5.7155e-05 TDB
node 77.48850258343997 1.0445e-05 deg
peri 106.6684168861678 2.4663e-05 deg
i 24.3631569541607 4.3274e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1297  
   data-arc span      9280 days (25.41 yr)  
   first obs. used      1995-05-30  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42223  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:19:09  

Additional Information
 Jupiter MOID = 2.99364 au 
 T_jup = 3.794 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.839946516821917E-15 -7.419841745090145E-15 3.755284875923604E-13 1.443380666850431E-14 3.606459385558209E-13 -2.194189301091547E-14
q -7.419841745090145E-15 1.437782360148887E-14 -7.8017534757204E-13 -2.723964129776556E-14 -7.182999106021925E-13 4.270237884745716E-14
tp 3.755284875923604E-13 -7.8017534757204E-13 3.266643185544572E-9 -5.597316048182836E-12 1.272652277802016E-9 1.174783119288613E-11
node 1.443380666850431E-14 -2.723964129776556E-14 -5.597316048182836E-12 1.091077375864894E-10 -1.005729722844235E-10 -5.12211671875192E-12
peri 3.606459385558209E-13 -7.182999106021925E-13 1.272652277802016E-9 -1.005729722844235E-10 6.08239117516679E-10 7.66019824461753E-12
i -2.194189301091547E-14 4.270237884745716E-14 1.174783119288613E-11 -5.12211671875192E-12 7.66019824461753E-12 1.872674991565852E-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 15.1   n/a MPO493543  

97257 (1999 XE115)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

Alternate Designations
 1999 XE115 = 1995 KY1 = 2000 HN3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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