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JPL Small-Body Database Browser
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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2795927812468508 6.2208e-08  
a 2.19357225414266 4.2056e-09 au
q 1.58026528674099 1.3644e-07 au
i 5.63357458287335 5.1371e-06 deg
node 44.29782353109382 3.7093e-05 deg
peri 300.9858469399285 3.8037e-05 deg
M 199.1762411609156 6.9219e-06 deg
tp 2459530.619830986070
(2021-Nov-12.11983099)
2.3202e-05 TDB
period 1186.660108758789
3.25
3.4127e-06
9.343e-09
d
yr
n .3033724630522461 8.7246e-10 deg/d
Q 2.806879221544331 5.3815e-09 au
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      5943 days (16.27 yr)  
   first obs. used      2002-10-11  
   last obs. used      2019-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:56:41  

Additional Information
 Earth MOID = .583086 au 
 Jupiter MOID = 2.62794 au 
 T_jup = 3.613 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457151.5 (2015-May-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2804610007802426 6.2448e-08  
q 1.578290973134541 1.3709e-07 au
tp 2457156.090576066401
(2015-May-13.59057607)
2.194e-05 TDB
node 44.33823221890755 3.7127e-05 deg
peri 300.7879747299145 3.8054e-05 deg
i 5.632406383475253 5.1358e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      5943 days (16.27 yr)  
   first obs. used      2002-10-11  
   last obs. used      2019-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:56:41  

Additional Information
 Jupiter MOID = 2.62794 au 
 T_jup = 3.613 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.899811616016757E-15 -8.558852680921622E-15 6.029588295168935E-13 -7.829740537479382E-14 9.990494444245767E-14 -2.638482291371617E-14
q -8.558852680921622E-15 1.879305005334064E-14 -1.322989959591519E-12 1.717814328858212E-13 -2.193055489065221E-13 5.794011787624216E-14
tp 6.029588295168935E-13 -1.322989959591519E-12 4.813736738655845E-10 -1.105309205885176E-11 1.864415364309065E-10 -7.081014920904353E-12
node -7.829740537479382E-14 1.717814328858212E-13 -1.105309205885176E-11 1.378379205315154E-9 -1.371365439477782E-9 -9.22144999245687E-11
peri 9.990494444245767E-14 -2.193055489065221E-13 1.864415364309065E-10 -1.371365439477782E-9 1.448123631735778E-9 9.045965065670414E-11
i -2.638482291371617E-14 5.794011787624216E-14 -7.081014920904353E-12 -9.22144999245687E-11 9.045965065670414E-11 2.637694154792863E-11

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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