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115329 (2003 SY222)
Classification: Main-belt Asteroid          SPK-ID: 2115329
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037905709602617 4.9795e-08  
a 3.004639349783431 2.2045e-08 au
q 2.692786116139739 1.4738e-07 au
i 10.98386632237538 5.2919e-06 deg
node 19.7407316369957 2.1743e-05 deg
peri 46.91200089810699 4.2517e-05 deg
M 93.78716150353617 3.117e-05 deg
tp 2458900.903941180923
(2020-Feb-21.40394118)
0.00016601 TDB
period 1902.334800570128
5.21
2.0936e-05
5.732e-08
d
yr
n .1892411366769448 2.0827e-09 deg/d
Q 3.316492583427123 2.4333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      10041 days (27.49 yr)  
   first obs. used      1993-11-08  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:34:45  

Additional Information
 Earth MOID = 1.71846 au 
 Jupiter MOID = 2.06461 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457688.5 (2016-Oct-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016296753178387 4.9034e-08  
q 2.701456070871882 1.4421e-07 au
tp 2457000.380207852589
(2014-Dec-08.88020785)
0.00017874 TDB
node 19.77050699386316 2.1724e-05 deg
peri 47.33710872868908 4.3343e-05 deg
i 10.98628726720788 5.2924e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      10041 days (27.49 yr)  
   first obs. used      1993-11-08  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:34:45  

Additional Information
 Jupiter MOID = 2.06461 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.404293555668385E-15 -7.003648254503888E-15 -4.914330671085192E-12 3.582821669379138E-14 -1.100295849931579E-12 -2.312097886600713E-15
q -7.003648254503888E-15 2.07972340666944E-14 1.319786975345488E-11 -1.042784031510811E-13 3.005628851861282E-12 8.00575824316145E-15
tp -4.914330671085192E-12 1.319786975345488E-11 3.194818632011214E-8 -1.325885149409019E-10 6.709303543097153E-9 -7.43836173182283E-12
node 3.582821669379138E-14 -1.042784031510811E-13 -1.325885149409019E-10 4.719473875771412E-10 -4.910863244000301E-10 -8.197217896023263E-12
peri -1.100295849931579E-12 3.005628851861282E-12 6.709303543097153E-9 -4.910863244000301E-10 1.878584241414831E-9 6.698123480384562E-12
i -2.312097886600713E-15 8.00575824316145E-15 -7.43836173182283E-12 -8.197217896023263E-12 6.698123480384562E-12 2.800945834680743E-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 15.30   n/a MPCxxxxx  
diameter diameter 3.185 km 0.518 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115329 (2003 SY222)          Discovered 2003-Sep-27 by Yeung, W. K. Y. at Desert Eagle
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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