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90599 (4542 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2090599
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427875434956464 4.0029e-08  
a 3.135144747005111 1.8166e-08 au
q 2.373970655376461 1.2981e-07 au
i .3032551632724575 4.1007e-06 deg
node 310.6743621237731 0.0010233 deg
peri 15.99380253328301 0.0010234 deg
M 327.5480530715482 1.1547e-05 deg
tp 2459579.277645326342
(2021-Dec-30.77764533)
6.5858e-05 TDB
period 2027.611855231831
5.55
1.7623e-05
4.825e-08
d
yr
n .177548774471354 1.5431e-09 deg/d
Q 3.896318838633762 2.2576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      22204 days (60.79 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:04:34  

Additional Information
 Earth MOID = 1.36165 au 
 Jupiter MOID = 1.46369 au 
 T_jup = 3.166 
[ 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 15.02   n/a E2021B10  
diameter diameter 5.857 km 0.363 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90599 (4542 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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