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181710 (1993 SO8)
Classification: Main-belt Asteroid          SPK-ID: 2181710
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2793082977466104 7.0661e-08  
a 2.557100856958079 2.3693e-08 au
q 1.842881369434719 1.7503e-07 au
i 13.41062568683381 5.9851e-06 deg
node 6.855110792429318 3.5463e-05 deg
peri 334.9670689729647 4.0952e-05 deg
M 249.0972899583074 3.4844e-05 deg
tp 2459660.608092216482
(2022-Mar-22.10809222)
0.00015006 TDB
period 1493.55153842195
4.09
2.0758e-05
5.683e-08
d
yr
n .2410362084862282 3.35e-09 deg/d
Q 3.271320344481439 3.031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      9686 days (26.52 yr)  
   first obs. used      1993-09-17  
   last obs. used      2020-03-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:42  

Additional Information
 Earth MOID = .843077 au 
 Jupiter MOID = 2.1782 au 
 T_jup = 3.344 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.21   n/a E2021B55  

181710 (1993 SO8)          Discovered 1993-Sep-17 by Elst, E. W. at La Silla
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1993 SO8 = 2004 FR156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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