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JPL Small-Body Database Browser
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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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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 
[ 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 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

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