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JPL Small-Body Database Browser
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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09971293443738993 7.0239e-08  
a 1.935308965636257 7.9818e-09 au
q 1.742333629629676 1.3746e-07 au
i 24.36268716823896 4.7586e-06 deg
node 77.47403965632331 1.0569e-05 deg
peri 106.7215411444193 3.3086e-05 deg
M 145.3691513060558 2.6291e-05 deg
tp 2458603.405708446761
(2019-Apr-29.90570845)
7.2581e-05 TDB
period 983.3857023640127
2.69
6.0837e-06
1.666e-08
d
yr
n .3660821986068915 2.2648e-09 deg/d
Q 2.128284301642838 8.7777e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      8829 days (24.17 yr)  
   first obs. used      1995-05-30  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:14:09  

Additional Information
 Earth MOID = .818884 au 
 Jupiter MOID = 2.99364 au 
 T_jup = 3.794 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457464.5 (2016-Mar-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09956941343376735 7.0274e-08  
q 1.74262708337052 1.3743e-07 au
tp 2457619.838448840876
(2016-Aug-19.33844884)
7.4815e-05 TDB
node 77.49659226552093 1.0568e-05 deg
peri 106.7176755095919 3.3131e-05 deg
i 24.36370138411606 4.7587e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      8829 days (24.17 yr)  
   first obs. used      1995-05-30  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:14:09  

Additional Information
 Jupiter MOID = 2.99364 au 
 T_jup = 3.794 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.938437255130244E-15 -9.645182363816963E-15 1.90550084380491E-12 -1.999048094557565E-15 1.07679820727005E-12 -4.782993287078885E-14
q -9.645182363816963E-15 1.888717564482796E-14 -3.895889153528784E-12 4.984080766198529E-15 -2.174765087640385E-12 9.362226409052636E-14
tp 1.90550084380491E-12 -3.895889153528784E-12 5.597216534301718E-9 -1.085121571756544E-11 2.33635030667334E-9 -3.390836364068224E-13
node -1.999048094557565E-15 4.984080766198529E-15 -1.085121571756544E-11 1.116846298496491E-10 -1.061095184070541E-10 -2.288333731804269E-12
peri 1.07679820727005E-12 -2.174765087640385E-12 2.33635030667334E-9 -1.061095184070541E-10 1.09769325560576E-9 -1.541509446726975E-12
i -4.782993287078885E-14 9.362226409052636E-14 -3.390836364068224E-13 -2.288333731804269E-12 -1.541509446726975E-12 2.264549173937964E-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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