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441672 (2008 XU38)
Classification: Main-belt Asteroid          SPK-ID: 2441672
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02606260220227821 7.6553e-08  
a 2.521368254313469 3.9033e-08 au
q 2.455654836495845 1.8419e-07 au
i 3.072198781613302 8.2119e-06 deg
node 44.46383554629298 0.00018736 deg
peri 41.35678498628968 0.0003505 deg
M 302.1150738697864 0.00030594 deg
tp 2459235.634215630490
(2021-Jan-21.13421563)
0.0012461 TDB
period 1462.355111874165
4.00
3.3958e-05
9.297e-08
d
yr
n .2461782347371298 5.7165e-09 deg/d
Q 2.587081672131094 4.005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      6331 days (17.33 yr)  
   first obs. used      2000-12-22  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64302  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 07:03:22  

Additional Information
 Earth MOID = 1.47249 au 
 Jupiter MOID = 2.44548 au 
 T_jup = 3.453 
[ show covariance matrix ]

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 17.6   n/a MPO440827  

441672 (2008 XU38)          Discovered 2008-Dec-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2047-Oct-18 23:17 00:03 Amphi 0.00105706699427434 0.00104058538042806 0.00107365852609788 1.7631511594153 1.76314807493956 2469002.470034423 2.52550378396495 982.623692208299 61.5745385857713 -33.2417260218023 1408.84345773596 T 10 CATAB v2.0e-lin.ifort 2018-May-07 07:03:24 2018-Dec-18 03:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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