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186923 (2004 PS51)
Classification: Main-belt Asteroid          SPK-ID: 2186923
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2281179947880003 4.8197e-08  
a 2.787610731762916 1.6767e-08 au
q 2.15170656138365 1.3462e-07 au
i 9.01652141968508 5.0991e-06 deg
node 122.4346248519477 3.2428e-05 deg
peri 217.7342799116703 3.3634e-05 deg
M 178.3637788526289 1.0488e-05 deg
tp 2458358.231065928749
(2018-Aug-27.73106593)
4.7393e-05 TDB
period 1699.990985928707
4.65
1.5337e-05
4.199e-08
d
yr
n .2117658287483986 1.9106e-09 deg/d
Q 3.423514902142183 2.0591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      8891 days (24.34 yr)  
   first obs. used      1996-12-11  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:37  

Additional Information
 Earth MOID = 1.14858 au 
 Jupiter MOID = 1.99035 au 
 T_jup = 3.274 
[ 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 15.86   n/a MPCxxxxx  
diameter diameter 4.321 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 146.856 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.050   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186923 (2004 PS51)          Discovered 2004-Aug-08 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 PS51 = 1997 CL3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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