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276400 (2002 XS45)
Classification: Mars-crossing Asteroid          SPK-ID: 2276400
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2798436290129427 5.8089e-08  
a 2.193602874466964 4.1418e-09 au
q 1.579737085462906 1.2764e-07 au
i 5.633863186915141 4.8919e-06 deg
node 44.29296623145189 3.668e-05 deg
peri 300.9831640245016 3.7496e-05 deg
M 319.3464677824564 6.6604e-06 deg
tp 2459530.508153022197
(2021-Nov-12.00815302)
2.2065e-05 TDB
period 1186.684955930408
3.25
3.3609e-06
9.202e-09
d
yr
n .3033661109470675 8.5918e-10 deg/d
Q 2.807468663471021 5.3008e-09 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2002-10-11  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48087  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:50:04  

Additional Information
 Earth MOID = .581762 au 
 Jupiter MOID = 2.62812 au 
 T_jup = 3.613 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.44   n/a MPO614063  
rotation period rot_per 7.31665 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

276400 (2002 XS45)          Discovered 2002-Dec-10 by LINEAR at Socorro
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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