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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09971293985059421 6.9825e-08  
a 1.935308966038854 7.9448e-09 au
q 1.742333619515906 1.3659e-07 au
i 24.3626861570958 4.7445e-06 deg
node 77.47403994795869 1.0569e-05 deg
peri 106.7215427129565 3.274e-05 deg
M 145.3691494371977 2.6058e-05 deg
tp 2458603.405713427874
(2019-Apr-29.90571343)
7.1919e-05 TDB
period 983.3857026708696
2.69
6.0555e-06
1.658e-08
d
yr
n .3660821984926588 2.2543e-09 deg/d
Q 2.128284312561802 8.737e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1181  
   data-arc span      9195 days (25.17 yr)  
   first obs. used      1995-05-30  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:47:58  

Additional Information
 Earth MOID = .818884 au 
 Jupiter MOID = 2.99364 au 
 T_jup = 3.794 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457470.5 (2016-Mar-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09957159016603022 6.9858e-08  
q 1.742630122653329 1.3656e-07 au
tp 2457619.834141059471
(2016-Aug-19.33414106)
7.4093e-05 TDB
node 77.49648364269532 1.0568e-05 deg
peri 106.7158918893955 3.2786e-05 deg
i 24.36364847384945 4.7447e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1181  
   data-arc span      9195 days (25.17 yr)  
   first obs. used      1995-05-30  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:47:58  

Additional Information
 Jupiter MOID = 2.99364 au 
 T_jup = 3.794 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.880192901814601E-15 -9.527454372640421E-15 1.827953520773144E-12 -1.717199252135876E-15 1.040871167492143E-12 -4.662844306526968E-14
q -9.527454372640421E-15 1.864919486390145E-14 -3.738844228971144E-12 4.423561066056315E-15 -2.102030924792124E-12 9.122792783252942E-14
tp 1.827953520773144E-12 -3.738844228971144E-12 5.489764841890778E-9 -1.056695164211724E-11 2.286872297955442E-9 6.21315449510874E-13
node -1.717199252135876E-15 4.423561066056315E-15 -1.056695164211724E-11 1.116865111973504E-10 -1.059759704887323E-10 -2.312957542429267E-12
peri 1.040871167492143E-12 -2.102030924792124E-12 2.286872297955442E-9 -1.059759704887323E-10 1.074894817214917E-9 -1.045413379330602E-12
i -4.662844306526968E-14 9.122792783252942E-14 6.21315449510874E-13 -2.312957542429267E-12 -1.045413379330602E-12 2.251177704478928E-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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