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216761 (2005 SD124)
Classification: Main-belt Asteroid          SPK-ID: 2216761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03331876355969926 5.1565e-08  
a 3.11302570417301 2.6781e-08 au
q 3.009303536780403 1.6034e-07 au
i 11.33111089875939 5.3212e-06 deg
node 185.3333213792689 2.4452e-05 deg
peri 28.08532715311986 7.8007e-05 deg
M 72.28216025034024 7.1574e-05 deg
tp 2458797.689196769636
(2019-Nov-10.18919677)
0.00040137 TDB
period 2006.191965772751
5.49
2.5889e-05
7.088e-08
d
yr
n .179444443075184 2.3156e-09 deg/d
Q 3.216747871565616 2.7674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      6340 days (17.36 yr)  
   first obs. used      2003-04-04  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52133  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:10  

Additional Information
 Earth MOID = 2.00885 au 
 Jupiter MOID = 1.74311 au 
 T_jup = 3.187 
[ 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 15.46   n/a E2021B55  

216761 (2005 SD124)          Discovered 2005-Sep-29 by LONEOS at Anderson Mesa
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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