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277283 (2005 SZ78)
Classification: Main-belt Asteroid          SPK-ID: 2277283
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176660420972342 6.9718e-08  
a 2.425659960588245 2.0307e-08 au
q 1.997141850814971 1.5689e-07 au
i 3.164986142907412 6.1095e-06 deg
node 44.21627862783161 0.00010348 deg
peri 24.60700836304922 0.00010643 deg
M 273.4483284868259 2.8276e-05 deg
tp 2459332.254074111426
(2021-Apr-27.75407411)		 0.00011139 TDB
period 1379.886310594644
3.78		 1.7328e-05
4.744e-08		 d
yr
n .2608910583690497 3.2761e-09 deg/d
Q 2.854178070361518 2.3894e-08 au
   Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      5927 days (16.23 yr)  
   first obs. used      2003-03-07  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:44  

Additional Information
 Earth MOID = 1.01176 au 
 Jupiter MOID = 2.43895 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456017.5 (2012-Mar-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1775624676903942 6.9927e-08  
q 1.994748974679842 1.5787e-07 au
tp 2456570.903934074588
(2013-Oct-05.40393407)		 8.7544e-05 TDB
node 44.35609288767162 0.00010307 deg
peri 24.08490521041511 0.00010597 deg
i 3.172490870975512 6.1207e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      5927 days (16.23 yr)  
   first obs. used      2003-03-07  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:44  

Additional Information
 Jupiter MOID = 2.43895 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.889770889911252E-15 -1.101349623857055E-14 2.586105763493543E-12 3.870764899214884E-14 6.737348312013297E-13 -4.503924488850896E-15
q -1.101349623857055E-14 2.492372786258308E-14 -5.486816554739581E-12 -8.509298154456451E-14 -1.43714964232448E-12 1.010292065853687E-14
tp 2.586105763493543E-12 -5.486816554739581E-12 7.663904188146708E-9 6.762044500274952E-11 2.175143741331657E-9 -5.094701585175684E-12
node 3.870764899214884E-14 -8.509298154456451E-14 6.762044500274952E-11 1.062392765530754E-8 -1.058808733067644E-8 -7.284257719789805E-11
peri 6.737348312013297E-13 -1.43714964232448E-12 2.175143741331657E-9 -1.058808733067644E-8 1.122986354738865E-8 7.126453912152577E-11
i -4.503924488850896E-15 1.010292065853687E-14 -5.094701585175684E-12 -7.284257719789805E-11 7.126453912152577E-11 3.746345006088289E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO437262  

277283 (2005 SZ78)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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