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469800 (2005 SZ23)
Classification: Main-belt Asteroid          SPK-ID: 2469800
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2375740248974152 1.8224e-07  
a 3.098087970003235 3.8049e-08 au
q 2.362062741483304 5.5981e-07 au
i 10.99310639973493 1.8803e-05 deg
node 32.69761146381567 4.6403e-05 deg
peri 339.2701579199512 5.192e-05 deg
M 247.1774185541479 2.1576e-05 deg
tp 2459624.712665710038
(2022-Feb-14.21266571)
0.000127 TDB
period 1991.769349502643
5.45
3.6692e-05
1.005e-07
d
yr
n .1807438196043604 3.3297e-09 deg/d
Q 3.834113198523166 4.7088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      5347 days (14.64 yr)  
   first obs. used      2005-08-31  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:48:22  

Additional Information
 Earth MOID = 1.36665 au 
 Jupiter MOID = 1.63796 au 
 T_jup = 3.151 
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Orbital Elements at Epoch 2457356.5 (2015-Nov-30.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2378749255661495 1.8222e-07  
q 2.361554362058627 5.5947e-07 au
tp 2457635.397734133571
(2016-Sep-03.89773413)
0.00010514 TDB
node 32.70724386523107 4.6391e-05 deg
peri 339.5991789331573 5.186e-05 deg
i 10.99466004431377 1.8805e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      5347 days (14.64 yr)  
   first obs. used      2005-08-31  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:48:22  

Additional Information
 Jupiter MOID = 1.63796 au 
 T_jup = 3.151 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.320586358284166E-14 -1.018168886385937E-13 6.461773292733101E-12 -1.536043697360599E-13 1.21186964996421E-12 -1.519751943906013E-13
q -1.018168886385937E-13 3.130073308992548E-13 -1.864578301545065E-11 4.735702079857224E-13 -3.508742366884256E-12 4.640824301752978E-13
tp 6.461773292733101E-12 -1.864578301545065E-11 1.105361283716765E-8 -2.974101251720813E-11 2.485281202974684E-9 -4.820928946389308E-11
node -1.536043697360599E-13 4.735702079857224E-13 -2.974101251720813E-11 2.15214604052643E-9 -2.114302901306532E-9 -3.565184814162695E-10
peri 1.21186964996421E-12 -3.508742366884256E-12 2.485281202974684E-9 -2.114302901306532E-9 2.68950030727452E-9 3.413407003670462E-10
i -1.519751943906013E-13 4.640824301752978E-13 -4.820928946389308E-11 -3.565184814162695E-10 3.413407003670462E-10 3.536319826618731E-10

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 16.3   n/a MPO472615  
rotation period rot_per 1.0 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

469800 (2005 SZ23)          Discovered 2005-Aug-31 by NEAT at Palomar
Reference: Last Updated: 2016-08-22

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