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134455 (1998 ST116)
Classification: Main-belt Asteroid          SPK-ID: 2134455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .224287202309411 6.3059e-08  
a 2.556910561635028 1.4537e-08 au
q 1.983428245210523 1.6684e-07 au
i 4.608910326786474 4.4752e-06 deg
node 243.4856389534103 7.8464e-05 deg
peri 104.7469679931875 7.9767e-05 deg
M 125.4896796654813 1.7693e-05 deg
tp 2458479.932270343683
(2018-Dec-27.43227034)
7.0072e-05 TDB
period 1493.384819977542
4.09
1.2736e-05
3.487e-08
d
yr
n .2410631172783809 2.0558e-09 deg/d
Q 3.130392878059533 1.7797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      7807 days (21.37 yr)  
   first obs. used      1998-09-17  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:29:24  

Additional Information
 Earth MOID = .983202 au 
 Jupiter MOID = 2.33128 au 
 T_jup = 3.397 
[ show covariance matrix ]

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 15.6   n/a MPO302680  
diameter diameter 1.923 km 0.332 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.301   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134455 (1998 ST116)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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