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243476 (2009 SZ289)
Classification: Main-belt Asteroid          SPK-ID: 2243476
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08112938395271686 6.9746e-08  
a 2.775598122943927 2.4911e-08 au
q 2.550415557129169 1.9199e-07 au
i 4.906407273881096 7.1712e-06 deg
node 162.2283838129744 7.8198e-05 deg
peri 210.86091917 8.7251e-05 deg
M 119.4328663820144 3.628e-05 deg
tp 2458440.156086117145
(2018-Nov-17.65608612)
0.00017147 TDB
period 1689.014214501056
4.62
2.2738e-05
6.225e-08
d
yr
n .2131420783254603 2.8694e-09 deg/d
Q 3.000780688758685 2.6932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      8869 days (24.28 yr)  
   first obs. used      1995-10-19  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5627  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:21:19  

Additional Information
 Earth MOID = 1.55164 au 
 Jupiter MOID = 2.40476 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457221.5 (2015-Jul-18.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07929632295790368 6.942e-08  
q 2.556133029739376 1.9006e-07 au
tp 2456743.452690660476
(2014-Mar-26.95269066)
0.00018265 TDB
node 162.2639015486292 7.8175e-05 deg
peri 209.45110855563 8.7743e-05 deg
i 4.90450883554503 7.1693e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      8869 days (24.28 yr)  
   first obs. used      1995-10-19  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5627  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:21:19  

Additional Information
 Jupiter MOID = 2.40476 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.819185011423466E-15 -1.310111314730044E-14 -2.717904151488087E-13 2.80490189608705E-14 -1.079169198417042E-13 2.527318273639493E-15
q -1.310111314730044E-14 3.612427262454734E-14 -4.400486288235573E-13 -7.566422403761813E-14 6.951927675476874E-14 -6.618017274777603E-15
tp -2.717904151488087E-13 -4.400486288235573E-13 3.336019409268615E-8 -7.987808017749032E-11 7.32359641436236E-9 -6.225081965850746E-12
node 2.80490189608705E-14 -7.566422403761813E-14 -7.987808017749032E-11 6.111360927792306E-9 -6.106315355570481E-9 1.602186434442855E-10
peri -1.079169198417042E-13 6.951927675476874E-14 7.32359641436236E-9 -6.106315355570481E-9 7.698764053106596E-9 -1.609884918712542E-10
i 2.527318273639493E-15 -6.618017274777603E-15 -6.225081965850746E-12 1.602186434442855E-10 -1.609884918712542E-10 5.139835757239943E-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 16.3   n/a MPO460067  
diameter diameter 4.171 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243476 (2009 SZ289)          Discovered 2009-Sep-25 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2009 SZ289 = 2004 RA39 = 2007 EM71 = 2009 VT115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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