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297418 (2000 SP43)
Classification: Aten [NEO, PHA]          SPK-ID: 2297418
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 156 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .466792941706667 5.4999e-08  
a .8115179412122293 4.1452e-10 au
q .4327070941860348 4.4687e-08 au
i 10.3456814858378 7.0629e-06 deg
node 350.562221914675 1.6769e-05 deg
peri 224.4442773164238 1.5033e-05 deg
M 73.29962408728844 1.2434e-05 deg
tp 2458946.131811602969
(2020-Apr-06.63181160)
9.2326e-06 TDB
period 267.0211214128919
0.73
2.0459e-07
5.601e-10
d
yr
n 1.348207954843152 1.033e-09 deg/d
Q 1.190328788238424 6.0801e-10 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      7331 days (20.07 yr)  
   first obs. used      2000-09-25  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .32835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-23 00:36:27  

Additional Information
 Earth MOID = .0187722 au 
 Jupiter MOID = 3.79126 au 
 T_jup = 7.099 
[ 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 18.6   n/a E2019Y01  
diameter diameter 0.407 km 0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 6.314 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Hergenrother, C.W. (2018) Minor Planet Bull. 45, 237-238.]
geometric albedo albedo 0.388   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

297418 (2000 SP43)          Discovered 2000-Sep-25 by LINEAR at Socorro
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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