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277303 (2005 SE144)
Classification: Main-belt Asteroid          SPK-ID: 2277303
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02679114034010923 4.1698e-08  
a 2.355901178323726 1.3845e-08 au
q 2.292783899227826 9.9498e-08 au
i 5.373066425870674 6.1363e-06 deg
node 161.382893619748 4.855e-05 deg
peri 276.2855971752111 0.00013543 deg
M 316.4393915668835 0.00012981 deg
tp 2459160.317917503308
(2020-Nov-06.81791750)		 0.00047681 TDB
period 1320.79078715188
3.62		 1.1643e-05
3.188e-08		 d
yr
n .2725639847748295 2.4026e-09 deg/d
Q 2.419018457419626 1.4216e-08 au
   Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      8628 days (23.62 yr)  
   first obs. used      1996-02-10  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56443  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:23:13  

Additional Information
 Earth MOID = 1.31536 au 
 Jupiter MOID = 2.61906 au 
 T_jup = 3.548 
[ 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 17.2   n/a MPO437262  

277303 (2005 SE144)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
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
2146-Feb-09 18:34 00:02 Iris 0.0346859323503612 0.0346597892269289 0.0347120806803379 4.64593319084751 4.64593315517393 2504910.273837954 2.34325792848736 1465.49070539853 54.1760813995823 -27.2395292451217 43932.7632165968 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 05:23:15 2019-Nov-08 05:23
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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