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216804 (2006 SD381)
Classification: Main-belt Asteroid          SPK-ID: 2216804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06946872277915499 6.0847e-08  
a 3.130230858885844 3.9724e-08 au
q 2.912777719115148 1.8122e-07 au
i 15.11189531435253 6.1742e-06 deg
node 128.0790286012837 2.5409e-05 deg
peri 20.90674803777618 5.4472e-05 deg
M 142.1942115112703 4.866e-05 deg
tp 2458597.508063714961
(2019-Apr-24.00806371)
0.00026999 TDB
period 2022.84673901663
5.54
3.8506e-05
1.054e-07
d
yr
n .1779670170044654 3.3877e-09 deg/d
Q 3.347683998656541 4.2483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6588 days (18.04 yr)  
   first obs. used      2003-05-30  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58192  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:32:01  

Additional Information
 Earth MOID = 1.93067 au 
 Jupiter MOID = 1.70038 au 
 T_jup = 3.156 
[ 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 15.77   n/a MPCxxxxx  

216804 (2006 SD381)          Discovered 2006-Sep-27 by Becker, A. C. at Apache Point
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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