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136673 (1995 SB20)
Classification: Main-belt Asteroid          SPK-ID: 2136673
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608642007863297 4.29e-08  
a 2.381992529807677 1.2031e-08 au
q 1.998815205221157 1.0637e-07 au
i 1.389462880743932 7.4014e-06 deg
node 28.26876971007 0.00020653 deg
peri 263.6264416656567 0.00020793 deg
M 321.1216578172111 2.2814e-05 deg
tp 2459145.515444012970
(2020-Oct-23.01544401)
8.5179e-05 TDB
period 1342.792848502168
3.68
1.0173e-05
2.785e-08
d
yr
n .2680979425840446 2.0311e-09 deg/d
Q 2.765169854394196 1.3966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      8985 days (24.60 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:40:17  

Additional Information
 Earth MOID = .983212 au 
 Jupiter MOID = 2.4085 au 
 T_jup = 3.520 
[ 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 17.5   n/a MPO266452  

136673 (1995 SB20)          Discovered 1995-Sep-18 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1995 SB20 = 2002 PS151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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