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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 | Close-Approach Data ]

[ 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 .2795927268117647 6.2071e-08  
a 2.193572253652839 4.1946e-09 au
q 1.580265405795414 1.3615e-07 au
i 5.633579942886468 4.9593e-06 deg
node 44.29781997744744 3.7082e-05 deg
peri 300.9858613358866 3.7877e-05 deg
M 199.1762376973623 6.6723e-06 deg
tp 2459530.619842225342
(2021-Nov-12.11984223)
2.2423e-05 TDB
period 1186.66010836132
3.25
3.4037e-06
9.319e-09
d
yr
n .3033724631538601 8.7017e-10 deg/d
Q 2.806879101510265 5.3674e-09 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      6374 days (17.45 yr)  
   first obs. used      2002-10-11  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:25:36  

Additional Information
 Earth MOID = .583086 au 
 Jupiter MOID = 2.62794 au 
 T_jup = 3.613 
[ 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 16.4   n/a MPO460180  

276400 (2002 XS45)          Discovered 2002-Dec-10 by LINEAR at Socorro
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ 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
1906-Jun-03 10:03 00:04 Hebe 0.0452979264663743 0.0452624817954657 0.0453333864184262 4.88236987075237 4.88236984264316 2417364.918696602 4.08324063333594 2200.72604249177 42.3285997453214 -36.5948932642781 95429.0502937706 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 21:25:37 2020-Nov-11 21:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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