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181199 (2005 SP147)
Classification: Main-belt Asteroid          SPK-ID: 2181199
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435039985827507 3.662e-08  
a 2.727236238507953 1.7574e-08 au
q 2.335866933202281 1.0177e-07 au
i 3.70262033641316 4.5803e-06 deg
node 42.97348202983564 6.8842e-05 deg
peri 242.7713021329021 7.1111e-05 deg
M 216.6183802441675 2.0205e-05 deg
tp 2459855.699484159499
(2022-Oct-03.19948416)
9.4814e-05 TDB
period 1645.063116870143
4.50
1.5901e-05
4.353e-08
d
yr
n .2188365882793161 2.1153e-09 deg/d
Q 3.118605543813624 2.0096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      8033 days (21.99 yr)  
   first obs. used      1999-03-21  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:20  

Additional Information
 Earth MOID = 1.32047 au 
 Jupiter MOID = 2.03658 au 
 T_jup = 3.338 
[ 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 16.20   n/a MPCxxxxx  

181199 (2005 SP147)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 SP147 = 2004 LC17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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