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5451 Plato (4598 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2005451
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417865379604901 3.3182e-08  
a 2.534022566643069 8.0018e-09 au
q 2.174732279804993 8.3584e-08 au
i 1.759171355293086 3.6025e-06 deg
node 10.73394987304068 0.00013054 deg
peri 255.334848019343 0.00013143 deg
M 15.71877917375235 1.4926e-05 deg
tp 2458936.167495934847
(2020-Mar-27.66749593)
6.1113e-05 TDB
period 1473.377875435003
4.03
6.9789e-06
1.911e-08
d
yr
n .2443365045736911 1.1573e-09 deg/d
Q 2.893312853481145 9.1364e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2227  
   data-arc span      21950 days (60.10 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:43:24  

Additional Information
 Earth MOID = 1.15969 au 
 Jupiter MOID = 2.18586 au 
 T_jup = 3.434 
[ 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 14.2   n/a MPO337299  
diameter diameter 8.703 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.19 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.053   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5451 Plato (4598 P-L)          Discovered 1960-Sep-24 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 4598 P-L = 1988 RD2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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