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216540 (2001 SO4)
Classification: Main-belt Asteroid          SPK-ID: 2216540
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895525993861327 4.5547e-08  
a 2.653546936207802 1.5097e-08 au
q 2.150560216856505 1.2365e-07 au
i 10.95729685479823 5.3904e-06 deg
node 190.1556862870848 2.0062e-05 deg
peri 140.2244994178734 2.3261e-05 deg
M 180.4399834060661 1.2095e-05 deg
tp 2459987.991226144877
(2023-Feb-12.49122615)
5.6348e-05 TDB
period 1578.841697554918
4.32
1.3474e-05
3.689e-08
d
yr
n .2280152598943365 1.9459e-09 deg/d
Q 3.156533655559099 1.7959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      2001-08-17  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:41:50  

Additional Information
 Earth MOID = 1.15165 au 
 Jupiter MOID = 2.3038 au 
 T_jup = 3.338 
[ 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 16.18   n/a MPCxxxxx  

216540 (2001 SO4)          Discovered 2001-Sep-18 by Tucker, R. A. at Goodricke-Pigott
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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