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58481 (1996 ST4)
Classification: Main-belt Asteroid          SPK-ID: 2058481
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1562946736866018 7.2163e-08  
a 2.557277640444952 1.4232e-08 au
q 2.157588766105565 1.9147e-07 au
i 3.057352400469401 4.6385e-06 deg
node 22.6955868275702 0.00010806 deg
peri 289.3263666618069 0.00010953 deg
M 23.7554756620655 1.4047e-05 deg
tp 2459101.934148285684
(2020-Sep-09.43414829)
5.8513e-05 TDB
period 1493.706424654629
4.09
1.247e-05
3.414e-08
d
yr
n .2410112148263929 2.012e-09 deg/d
Q 2.956966514784338 1.6457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      8793 days (24.07 yr)  
   first obs. used      1996-09-20  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:56  

Additional Information
 Earth MOID = 1.14385 au 
 Jupiter MOID = 2.31109 au 
 T_jup = 3.418 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456880.5 (2014-Aug-11.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1548006290560828 7.2015e-08  
q 2.163429868594255 1.9076e-07 au
tp 2457609.230302378341
(2016-Aug-08.73030238)
6.427e-05 TDB
node 22.801169317578 0.0001081 deg
peri 289.3295374856824 0.0001096 deg
i 3.05609434272205 4.6326e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      8793 days (24.07 yr)  
   first obs. used      1996-09-20  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:56  

Additional Information
 Jupiter MOID = 2.31109 au 
 T_jup = 3.418 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.186110861607533E-15 -1.371853915315137E-14 2.041195554687309E-12 3.293253205872356E-14 6.538494568507311E-13 -9.037367067561406E-15
q -1.371853915315137E-14 3.639026109852574E-14 -5.582366927112326E-12 -8.471949291493886E-14 -1.794228141129382E-12 2.377418469581049E-14
tp 2.041195554687309E-12 -5.582366927112326E-12 4.130641857016118E-9 1.604599869927964E-11 1.192817294298074E-9 -3.363445318840453E-12
node 3.293253205872356E-14 -8.471949291493886E-14 1.604599869927964E-11 1.168651835279902E-8 -1.16651228988913E-8 -1.713916213183113E-10
peri 6.538494568507311E-13 -1.794228141129382E-12 1.192817294298074E-9 -1.16651228988913E-8 1.201248858964789E-8 1.70068157128395E-10
i -9.037367067561406E-15 2.377418469581049E-14 -3.363445318840453E-12 -1.713916213183113E-10 1.70068157128395E-10 2.146095646278301E-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 16.12   n/a E2021B10  

58481 (1996 ST4)          Discovered 1996-Sep-20 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 ST4 = 2000 SJ81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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