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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1445536100199092 1.9594e-08  
a 2.544479583830959 8.3881e-09 au
q 2.176665874366237 4.9641e-08 au
i 12.21963945182728 6.7819e-07 deg
node 219.979471436318 1.3704e-06 deg
peri 222.9519680303385 9.9698e-06 deg
M 204.7227729998325 8.6101e-06 deg
tp 2460035.943458077859
(2023-Apr-01.44345808)
3.686e-05 TDB
period 1482.507443978124
4.06
7.3309e-06
2.007e-08
d
yr
n .2428318329613137 1.2008e-09 deg/d
Q 2.91229329329568 9.6007e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2074  
   data-arc span      9241 days (25.30 yr)  
   first obs. used      1996-04-20  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 21:20:46  

Additional Information
 Earth MOID = 1.20736 au 
 Jupiter MOID = 2.42337 au 
 T_jup = 3.397 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457036.5 (2015-Jan-14.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441791978991441 1.923e-08  
q 2.177435269338122 4.8411e-08 au
tp 2457073.682742787391
(2015-Feb-20.18274279)
3.3111e-05 TDB
node 220.0510838622355 1.3721e-06 deg
peri 223.4572845813636 1.0037e-05 deg
i 12.21380183462313 6.7811e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2074  
   data-arc span      9241 days (25.30 yr)  
   first obs. used      1996-04-20  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 21:20:46  

Additional Information
 Jupiter MOID = 2.42337 au 
 T_jup = 3.397 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.697784023101445E-16 -9.205734131778899E-16 -5.686503202321843E-13 9.897039152266813E-16 -1.694677979536471E-13 2.751056566568232E-16
q -9.205734131778899E-16 2.343663421799487E-15 1.456573504989719E-12 -2.695090500986076E-15 4.344400206696887E-13 -6.611645288470206E-16
tp -5.686503202321843E-13 1.456573504989719E-12 1.096340379288906E-9 -6.278676622158542E-12 3.290932968801298E-10 2.608386670835802E-12
node 9.897039152266813E-16 -2.695090500986076E-15 -6.278676622158542E-12 1.882589328949073E-12 -3.593240422555264E-12 -3.402852700724647E-13
peri -1.694677979536471E-13 4.344400206696887E-13 3.290932968801298E-10 -3.593240422555264E-12 1.007324986522974E-10 1.071951939015615E-12
i 2.751056566568232E-16 -6.611645288470206E-16 2.608386670835802E-12 -3.402852700724647E-13 1.071951939015615E-12 4.598322293769276E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.84   n/a E2021B10  

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

Alternate Designations
 1998 XA90 = 1996 HE24 = 1999 BT21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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