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393820 (2005 SP27)
Classification: Main-belt Asteroid          SPK-ID: 2393820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08485181537541518 1.184e-07  
a 3.130563482692948 5.0041e-08 au
q 2.864929488038469 3.8654e-07 au
i 10.57418077471078 1.1089e-05 deg
node 214.5433136827959 3.2133e-05 deg
peri 177.2051214322829 5.3104e-05 deg
M 255.9482277272282 4.6616e-05 deg
tp 2459785.262050575744
(2022-Jul-24.76205058)
0.00027165 TDB
period 2023.169174431784
5.54
4.8509e-05
1.328e-07
d
yr
n .1779386541420134 4.2664e-09 deg/d
Q 3.396197477347427 5.4287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5444 days (14.90 yr)  
   first obs. used      2005-09-23  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:35:31  

Additional Information
 Earth MOID = 1.8697 au 
 Jupiter MOID = 2.03066 au 
 T_jup = 3.182 
[ 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 16.24   n/a E2021B25  

393820 (2005 SP27)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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