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135254 (2001 SY43)
Classification: Main-belt Asteroid          SPK-ID: 2135254
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .195122088126731 3.4549e-08  
a 2.35354005905408 7.5464e-09 au
q 1.894312408241538 7.9759e-08 au
i 4.757616445470614 5.3158e-06 deg
node 180.792468266647 3.7886e-05 deg
peri 312.8635854093253 4.0078e-05 deg
M 12.71728991172214 1.3401e-05 deg
tp 2459153.912126231781
(2020-Oct-31.41212623)
4.9018e-05 TDB
period 1318.805710413173
3.61
6.3429e-06
1.737e-08
d
yr
n .2729742502306988 1.3129e-09 deg/d
Q 2.812767709866622 9.0188e-09 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      9681 days (26.51 yr)  
   first obs. used      1994-10-29  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:00  

Additional Information
 Earth MOID = .91196 au 
 Jupiter MOID = 2.23974 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457303.5 (2015-Oct-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1943572017422203 3.4719e-08  
q 1.896466430376197 8.0182e-08 au
tp 2457835.830679778483
(2017-Mar-23.33067978)
4.7595e-05 TDB
node 180.8245160571073 3.7864e-05 deg
peri 312.998826984752 4.0069e-05 deg
i 4.758096965741792 5.3173e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      9681 days (26.51 yr)  
   first obs. used      1994-10-29  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:00  

Additional Information
 Jupiter MOID = 2.23974 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.205407311158376E-15 -2.77650094591953E-15 9.005879758121845E-13 -2.69730570043845E-15 2.30415870835035E-13 -1.033634797478008E-15
q -2.77650094591953E-15 6.429141889344876E-15 -2.064763049541058E-12 6.145153338613277E-15 -5.318862319524479E-13 2.432508069694341E-15
tp 9.005879758121845E-13 -2.064763049541058E-12 2.265263888499794E-9 -3.410918514689653E-12 6.289027148587062E-10 -1.989599914753071E-12
node -2.69730570043845E-15 6.145153338613277E-15 -3.410918514689653E-12 1.433718011154196E-9 -1.429179096575375E-9 5.030074049230088E-11
peri 2.30415870835035E-13 -5.318862319524479E-13 6.289027148587062E-10 -1.429179096575375E-9 1.605536710689561E-9 -5.06566898876598E-11
i -1.033634797478008E-15 2.432508069694341E-15 -1.989599914753071E-12 5.030074049230088E-11 -5.06566898876598E-11 2.827406864511201E-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 16.31   n/a MPCxxxxx  
diameter diameter 1.583 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.177   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135254 (2001 SY43)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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