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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449960018463974 5.5911e-08  
a 2.543692934995344 8.589e-09 au
q 2.174867629496092 1.4218e-07 au
i 12.2222551931569 6.0025e-06 deg
node 219.9927336164897 1.2761e-05 deg
peri 223.0206338352896 2.8998e-05 deg
M 108.4164766330864 2.2571e-05 deg
tp 2458554.239712381152
(2019-Mar-11.73971238)
9.2612e-05 TDB
period 1481.820001276053
4.06
7.5052e-06
2.055e-08
d
yr
n .2429444869754694 1.2305e-09 deg/d
Q 2.912518240494597 9.8343e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2000  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45157  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:36:08  

Additional Information
 Earth MOID = 1.20582 au 
 Jupiter MOID = 2.42206 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456971.5 (2014-Nov-10.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441470976190006 5.5322e-08  
q 2.177451530506566 1.4034e-07 au
tp 2457073.662924072196
(2015-Feb-20.16292407)
9.325e-05 TDB
node 220.0514169471709 1.2774e-05 deg
peri 223.4500693434393 2.923e-05 deg
i 12.21393274865346 5.9995e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2000  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45157  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:36:08  

Additional Information
 Jupiter MOID = 2.42206 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.060477991951892E-15 -7.753276708790344E-15 -4.303618173285975E-12 3.805948012125064E-14 -1.234593091812061E-12 -1.522012344391665E-14
q -7.753276708790344E-15 1.969561811862454E-14 1.093841525164811E-11 -9.659386164458114E-14 3.136272695785646E-12 3.870014591098888E-14
tp -4.303618173285975E-12 1.093841525164811E-11 8.695503856643765E-9 -6.501363474673777E-11 2.455187590791349E-9 2.555495379296884E-11
node 3.805948012125064E-14 -9.659386164458114E-14 -6.501363474673777E-11 1.631815887356511E-10 -1.769378096934268E-10 -5.998136426865172E-12
peri -1.234593091812061E-12 3.136272695785646E-12 2.455187590791349E-9 -1.769378096934268E-10 8.543707382301644E-10 1.283294529194724E-11
i -1.522012344391665E-14 3.870014591098888E-14 2.555495379296884E-11 -5.998136426865172E-12 1.283294529194724E-11 3.599458646008135E-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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