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469681 (2004 XZ98)
Classification: Main-belt Asteroid          SPK-ID: 2469681
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05169750223446076 5.1122e-08  
a 2.246880944845553 2.2362e-08 au
q 2.130722812178833 1.1449e-07 au
i 11.59361118571141 7.5817e-06 deg
node 91.77775416913778 4.2938e-05 deg
peri 20.12079412037291 0.00010801 deg
M 199.7851339606471 9.9641e-05 deg
tp 2459547.980718816803
(2021-Nov-29.48071882)
0.00034275 TDB
period 1230.179593481906
3.37
1.8365e-05
5.028e-08
d
yr
n .2926401981527383 4.3687e-09 deg/d
Q 2.363039077512274 2.3518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      5285 days (14.47 yr)  
   first obs. used      2004-12-11  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:59:08  

Additional Information
 Earth MOID = 1.15024 au 
 Jupiter MOID = 2.72969 au 
 T_jup = 3.602 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457877.5 (2017-May-04.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05202986761218596 5.1613e-08  
q 2.129496530086533 1.1599e-07 au
tp 2458314.757162212278
(2018-Jul-15.25716221)
0.00033512 TDB
node 91.7873366105829 4.2942e-05 deg
peri 19.24145969411274 0.00010732 deg
i 11.59384653214043 7.5874e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      5285 days (14.47 yr)  
   first obs. used      2004-12-11  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:59:08  

Additional Information
 Jupiter MOID = 2.72969 au 
 T_jup = 3.602 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.663905224044198E-15 -5.887408227772685E-15 -5.648816060255944E-12 3.948519794156141E-14 -1.774110957190988E-12 -3.515921500636699E-15
q -5.887408227772685E-15 1.345348006166767E-14 1.452335895839778E-11 -8.417853713790911E-14 4.468661639470396E-12 8.955151867237672E-15
tp -5.648816060255944E-12 1.452335895839778E-11 1.123031994244116E-7 -1.167358358541985E-10 3.303533371947625E-8 -1.314691164273536E-11
node 3.948519794156141E-14 -8.417853713790911E-14 -1.167358358541985E-10 1.844039576786487E-9 -1.841351050856196E-9 -1.953226106758829E-10
peri -1.774110957190988E-12 4.468661639470396E-12 3.303533371947625E-8 -1.841351050856196E-9 1.151757457140332E-8 1.871815745014093E-10
i -3.515921500636699E-15 8.955151867237672E-15 -1.314691164273536E-11 -1.953226106758829E-10 1.871815745014093E-10 5.756858938411049E-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 17.7   n/a MPO382950  

469681 (2004 XZ98)          Discovered 2004-Dec-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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