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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 ]

[ 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 .02708270088909471 4.1618e-08  
a 2.356544169793975 1.3557e-08 au
q 2.292722588911505 9.9402e-08 au
i 5.373279329875905 6.0695e-06 deg
node 161.3752100970365 4.8533e-05 deg
peri 276.0905777893385 0.00013009 deg
M 64.53880980988394 0.00012404 deg
tp 2459159.618985285644
(2020-Nov-06.11898529)
0.00045452 TDB
period 1321.3315452884
3.62
1.1402e-05
3.122e-08
d
yr
n .2724524373036327 2.3511e-09 deg/d
Q 2.420365750676446 1.3924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      9109 days (24.94 yr)  
   first obs. used      1996-02-10  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 04:00:22  

Additional Information
 Earth MOID = 1.31502 au 
 Jupiter MOID = 2.61707 au 
 T_jup = 3.548 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457198.5 (2015-Jun-25.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02690173570904382 4.1002e-08  
q 2.292759966584317 9.811e-08 au
tp 2457830.446846864889
(2017-Mar-17.94684687)
0.00045635 TDB
node 161.4525165023782 4.8529e-05 deg
peri 273.8957300831194 0.00013164 deg
i 5.3732318019842 6.0691e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      9109 days (24.94 yr)  
   first obs. used      1996-02-10  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 04:00:22  

Additional Information
 Jupiter MOID = 2.61707 au 
 T_jup = 3.548 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.681189308471323E-15 -3.986025794712055E-15 4.356266387731398E-12 6.166227467332282E-15 1.171605447800836E-12 1.437896483996412E-15
q -3.986025794712055E-15 9.625515294660834E-15 -8.132598251874056E-12 -1.209214527995598E-14 -2.207330898506182E-12 -3.239452014089484E-15
tp 4.356266387731398E-12 -8.132598251874056E-12 2.082587692344474E-7 1.779798372807329E-10 5.585547955260265E-8 6.740128033657593E-12
node 6.166227467332282E-15 -1.209214527995598E-14 1.779798372807329E-10 2.355110474661494E-9 -2.296358982766391E-9 -7.362525676710893E-11
peri 1.171605447800836E-12 -2.207330898506182E-12 5.585547955260265E-8 -2.296358982766391E-9 1.732878437583481E-8 7.506625795362465E-11
i 1.437896483996412E-15 -3.239452014089484E-15 6.740128033657593E-12 -7.362525676710893E-11 7.506625795362465E-11 3.6834396479549E-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 17.35   n/a MPCxxxxx  

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 18 CATAB v2.0f-lin.ifort 2021-Apr-14 04:00:23 2021-Apr-14 04:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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