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181399 (2006 SD111)
Classification: Main-belt Asteroid          SPK-ID: 2181399
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672145951944964 5.2431e-08  
a 2.596456933917918 2.2935e-08 au
q 2.16229143877289 1.3194e-07 au
i 12.00831067529648 5.7251e-06 deg
node 139.5131882527754 1.8483e-05 deg
peri 191.7907754613145 2.3673e-05 deg
M 175.5758673937699 1.78e-05 deg
tp 2458455.197746970964
(2018-Dec-02.69774697)
6.8352e-05 TDB
period 1528.164519835222
4.18
2.0248e-05
5.544e-08
d
yr
n .2355767296827556 3.1213e-09 deg/d
Q 3.030622429062946 2.677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7229 days (19.79 yr)  
   first obs. used      2001-06-21  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:29  

Additional Information
 Earth MOID = 1.15053 au 
 Jupiter MOID = 2.32814 au 
 T_jup = 3.366 
[ 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 16.16   n/a MPCxxxxx  

181399 (2006 SD111)          Discovered 2006-Sep-21 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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