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JPL Small-Body Database Browser
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49008 (1998 QY68)
Classification: Main-belt Asteroid          SPK-ID: 2049008
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1270289108817363 3.5564e-08  
a 2.43518171559593 1.1638e-08 au
q 2.125843234464661 8.6599e-08 au
i 6.71150147258786 3.9996e-06 deg
node 268.9003134829856 4.2798e-05 deg
peri 4.104366293609059 4.7049e-05 deg
M 309.6236598191306 2.0255e-05 deg
tp 2459194.731471523808
(2020-Dec-11.23147152)
7.8335e-05 TDB
period 1388.019246684467
3.80
9.9501e-06
2.724e-08
d
yr
n .2593623977908984 1.8593e-09 deg/d
Q 2.744520196727199 1.3116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      804  
   data-arc span      7833 days (21.45 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:18:04  

Additional Information
 Earth MOID = 1.10963 au 
 Jupiter MOID = 2.35377 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456806.5 (2014-May-29.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .127940385401987 3.5609e-08  
q 2.123366170551599 8.6781e-08 au
tp 2456416.766744023623
(2013-May-04.26674402)
7.6574e-05 TDB
node 268.9992424768176 4.2758e-05 deg
peri 3.70677600531064 4.6954e-05 deg
i 6.715150350677586 4.0033e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      804  
   data-arc span      7833 days (21.45 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:18:04  

Additional Information
 Jupiter MOID = 2.35377 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.267997902253454E-15 -3.069055648605481E-15 1.0469224017128E-12 9.046556056971176E-15 2.690948514314197E-13 1.24330152065144E-16
q -3.069055648605481E-15 7.530918215500703E-15 -2.609064457499412E-12 -2.08780374314262E-14 -6.662108030575393E-13 -5.742613771321081E-17
tp 1.0469224017128E-12 -2.609064457499412E-12 5.86352603542148E-9 2.157472075627217E-11 1.517511176120996E-9 9.525439948209481E-13
node 9.046556056971176E-15 -2.08780374314262E-14 2.157472075627217E-11 1.828282907499967E-9 -1.809766431719535E-9 6.193696172098924E-11
peri 2.690948514314197E-13 -6.662108030575393E-13 1.517511176120996E-9 -1.809766431719535E-9 2.204665328025884E-9 -6.122180534514629E-11
i 1.24330152065144E-16 -5.742613771321081E-17 9.525439948209481E-13 6.193696172098924E-11 -6.122180534514629E-11 1.602663387779888E-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 15.2   n/a MPO432048  

49008 (1998 QY68)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QY68 = 2000 AO234 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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