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JPL Small-Body Database Browser
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15049 (1998 XA90)
Classification: Main-belt Asteroid          SPK-ID: 2015049
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449960083784008 5.6764e-08  
a 2.543692934162963 8.7963e-09 au
q 2.174867612168991 1.4463e-07 au
i 12.22225593047355 6.0842e-06 deg
node 219.9927363764456 1.3252e-05 deg
peri 223.020630109866 2.9297e-05 deg
M 108.4164780173828 2.2606e-05 deg
tp 2458554.239706902205
(2019-Mar-11.73970690)
9.2736e-05 TDB
period 1481.820000548701
4.06
7.6864e-06
2.104e-08
d
yr
n .2429444870947187 1.2602e-09 deg/d
Q 2.912518256156934 1.0072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1865  
   data-arc span      8773 days (24.02 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:07:17  

Additional Information
 Earth MOID = 1.20582 au 
 Jupiter MOID = 2.42206 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456792.5 (2014-May-15.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441566501583492 5.6231e-08  
q 2.177629096229808 1.4293e-07 au
tp 2457073.538598414015
(2015-Feb-20.03859841)
9.3279e-05 TDB
node 220.052298850709 1.3266e-05 deg
peri 223.4066846133388 2.9513e-05 deg
i 12.2133783735634 6.081e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1865  
   data-arc span      8773 days (24.02 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:07:17  

Additional Information
 Jupiter MOID = 2.42206 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.161962165080238E-15 -8.026064506292893E-15 -4.328369204450843E-12 4.356792095693084E-14 -1.240700722012537E-12 -1.453532522339565E-14
q -8.026064506292893E-15 2.042939704373833E-14 1.1003388335625E-11 -1.107745058432653E-13 3.151452006636068E-12 3.69895640774081E-14
tp -4.328369204450843E-12 1.1003388335625E-11 8.70102504382179E-9 -7.334619426592903E-11 2.463578554034195E-9 2.360354985200154E-11
node 4.356792095693084E-14 -1.107745058432653E-13 -7.334619426592903E-11 1.759834584970144E-10 -1.916665479346638E-10 -2.536375052154025E-12
peri -1.240700722012537E-12 3.151452006636068E-12 2.463578554034195E-9 -1.916665479346638E-10 8.710458585665422E-10 8.890573653339786E-12
i -1.453532522339565E-14 3.69895640774081E-14 2.360354985200154E-11 -2.536375052154025E-12 8.890573653339786E-12 3.697832773899159E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO332959  

15049 (1998 XA90)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XA90 = 1996 HE24 = 1999 BT21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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