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JPL Small-Body Database Browser
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56990 (2000 SZ242)
Classification: Main-belt Asteroid          SPK-ID: 2056990
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03579654893802786 4.685e-08  
a 2.916507631347249 2.4824e-08 au
q 2.812106723193595 1.4173e-07 au
i 7.296375359881352 6.4526e-06 deg
node 44.40066050553338 6.0053e-05 deg
peri 209.8109037930287 0.0001645 deg
M 75.53256280651404 0.00015541 deg
tp 2458618.797660059996
(2019-May-15.29766006)
0.00078554 TDB
period 1819.253011848697
4.98
2.3227e-05
6.359e-08
d
yr
n .1978834156960793 2.5264e-09 deg/d
Q 3.020908539500903 2.5712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1998-02-25  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:26:38  

Additional Information
 Earth MOID = 1.80068 au 
 Jupiter MOID = 1.97532 au 
 T_jup = 3.268 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456388.5 (2013-Apr-06.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03443150219712633 4.6815e-08  
q 2.815736124652853 1.4169e-07 au
tp 2456822.080357884748
(2014-Jun-13.58035788)
0.00081847 TDB
node 44.49081135084783 5.9906e-05 deg
peri 214.5576638036757 0.00016993 deg
i 7.30676023531117 6.4625e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1998-02-25  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:26:38  

Additional Information
 Jupiter MOID = 1.97532 au 
 T_jup = 3.268 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.191620135267127E-15 -6.541111721273173E-15 1.785525373887541E-12 -1.954479545033364E-14 3.606957369309766E-13 2.380159278860706E-15
q -6.541111721273173E-15 2.007533572732493E-14 -7.73468830180649E-12 5.75459260149779E-14 -1.569957958286395E-12 -6.559483441460458E-15
tp 1.785525373887541E-12 -7.73468830180649E-12 6.698871984946383E-7 -1.258788172307406E-10 1.302471094607536E-7 1.148342141679936E-11
node -1.954479545033364E-14 5.75459260149779E-14 -1.258788172307406E-10 3.588744937587911E-9 -3.5834903639264E-9 -1.626180344185689E-10
peri 3.606957369309766E-13 -1.569957958286395E-12 1.302471094607536E-7 -3.5834903639264E-9 2.887560812178307E-8 1.634983524818635E-10
i 2.380159278860706E-15 -6.559483441460458E-15 1.148342141679936E-11 -1.626180344185689E-10 1.634983524818635E-10 4.176369124883032E-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 14.2   n/a MPO359132  
diameter diameter 4.163 km 0.509 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56990 (2000 SZ242)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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