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15048 (1998 XQ63)
Classification: Main-belt Asteroid          SPK-ID: 2015048
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063330467489336 3.5766e-08  
a 2.430695670578276 1.0017e-08 au
q 2.172232394206246 8.9212e-08 au
i 8.377989408858204 4.256e-06 deg
node 326.9132951605285 2.6651e-05 deg
peri 91.17938175371872 3.4285e-05 deg
M 250.4799139426241 2.3681e-05 deg
tp 2459421.600331837621
(2021-Jul-26.10033184)
9.2289e-05 TDB
period 1384.185540012493
3.79
8.5565e-06
2.343e-08
d
yr
n .260080740329617 1.6077e-09 deg/d
Q 2.689158946950307 1.1082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1389  
   data-arc span      14874 days (40.72 yr)  
   first obs. used      1979-11-16  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:56:50  

Additional Information
 Earth MOID = 1.20351 au 
 Jupiter MOID = 2.59344 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456898.5 (2014-Aug-29.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1075979596851235 3.5839e-08  
q 2.168644224297943 8.9581e-08 au
tp 2456656.105731581517
(2013-Dec-29.60573158)
8.3999e-05 TDB
node 327.0041170618388 2.6684e-05 deg
peri 91.42431315503148 3.4099e-05 deg
i 8.373859416088234 4.254e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1389  
   data-arc span      14874 days (40.72 yr)  
   first obs. used      1979-11-16  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49907  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:56:50  

Additional Information
 Jupiter MOID = 2.59344 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.284436368139815E-15 -3.195699376142637E-15 -8.459283506511749E-13 -7.920135551176581E-15 -2.31716034080852E-13 -6.9254675049467E-16
q -3.195699376142637E-15 8.024794373580818E-15 2.292817934052538E-12 2.033428858238918E-14 6.257700929335108E-13 1.797068933192642E-15
tp -8.459283506511749E-13 2.292817934052538E-12 7.055827361988241E-9 2.754354195667241E-11 1.798188834076572E-9 -1.077196554875749E-13
node -7.920135551176581E-15 2.033428858238918E-14 2.754354195667241E-11 7.120426057610727E-10 -6.968414187886307E-10 2.487885707059227E-11
peri -2.31716034080852E-13 6.257700929335108E-13 1.798188834076572E-9 -6.968414187886307E-10 1.16272938571451E-9 -2.464431844485814E-11
i -6.9254675049467E-16 1.797068933192642E-15 -1.077196554875749E-13 2.487885707059227E-11 -2.464431844485814E-11 1.809620099703985E-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 14.4   n/a MPO435841  
rotation period rot_per 13.006 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

15048 (1998 XQ63)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XQ63 = 1979 WJ2 = 1990 SQ20 = 2000 FW48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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