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135322 (2001 SF304)
Classification: Main-belt Asteroid          SPK-ID: 2135322
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443929288206981 4.7673e-08  
a 2.300963316675953 9.1677e-09 au
q 1.968720484272124 1.0882e-07 au
i 1.785682220414141 4.7951e-06 deg
node 228.2634304477333 0.00014776 deg
peri 283.13746366 0.00014878 deg
M 50.91746231102434 1.6398e-05 deg
tp 2459020.186925265239
(2020-Jun-19.68692527)
5.7721e-05 TDB
period 1274.861392502259
3.49
7.6191e-06
2.086e-08
d
yr
n .2823836395997552 1.6876e-09 deg/d
Q 2.633206149079781 1.0491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      10295 days (28.19 yr)  
   first obs. used      1991-12-08  
   last obs. used      2020-02-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58937  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:29  

Additional Information
 Earth MOID = .980161 au 
 Jupiter MOID = 2.36526 au 
 T_jup = 3.577 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456831.5 (2014-Jun-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443307551780673 4.7849e-08  
q 1.969297657812443 1.0925e-07 au
tp 2456470.385843013436
(2013-Jun-26.88584301)
5.4832e-05 TDB
node 228.3109596484283 0.00014791 deg
peri 283.26930499816 0.00014892 deg
i 1.784241648200442 4.794e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      10295 days (28.19 yr)  
   first obs. used      1991-12-08  
   last obs. used      2020-02-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58937  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:29  

Additional Information
 Jupiter MOID = 2.36526 au 
 T_jup = 3.577 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.289510983126311E-15 -5.214283209502298E-15 1.264481606761536E-12 -3.883204561149568E-14 4.593307137667393E-13 -2.571041228813858E-17
q -5.214283209502298E-15 1.19354010561766E-14 -2.889432743550521E-12 8.731907638587468E-14 -1.043885811117811E-12 1.04054981924037E-16
tp 1.264481606761536E-12 -2.889432743550521E-12 3.006583178557598E-9 -5.340948771402693E-11 9.671437412273827E-10 1.733478081243951E-13
node -3.883204561149568E-14 8.731907638587468E-14 -5.340948771402693E-11 2.187827548017395E-8 -2.188393718461544E-8 -2.953328036744516E-10
peri 4.593307137667393E-13 -1.043885811117811E-12 9.671437412273827E-10 -2.188393718461544E-8 2.217790639294651E-8 2.952449671837327E-10
i -2.571041228813858E-17 1.04054981924037E-16 1.733478081243951E-13 -2.953328036744516E-10 2.952449671837327E-10 2.298250402486128E-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 16.52   n/a E2021B55  
diameter diameter 1.561 km 0.330 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.200   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135322 (2001 SF304)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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