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155341 (2006 SA218)
Classification: Amor [NEO]          SPK-ID: 2155341
[ 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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 120 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .241677354460401 4.8061e-08  
a 1.477502348790909 2.4061e-09 au
q 1.120423489926094 7.0552e-08 au
i 18.52012352494122 7.2765e-06 deg
node 144.386307591295 7.6701e-06 deg
peri 278.028803245278 1.8841e-05 deg
M 337.5704193314069 1.8073e-05 deg
tp 2458641.370443493494
(2019-Jun-06.87044349)		 3.2984e-05 TDB
period 655.9801484947055
1.80		 1.6024e-06
4.387e-09		 d
yr
n .548797095195794 1.3406e-09 deg/d
Q 1.834581207655725 2.9876e-09 au
   Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      14006 days (38.35 yr)  
   first obs. used      1980-01-17  
   last obs. used      2018-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44909  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-24 06:41:51  

Additional Information
 Earth MOID = .286001 au 
 Jupiter MOID = 3.52759 au 
 T_jup = 4.502 
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[ 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 18.2   n/a MPO436786  
rotation period rot_per 32.8 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 240-250.]

155341 (2006 SA218)          Discovered 2006-Sep-30 by Siding Spring Survey at Siding Spring
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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