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90589 (2587 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2090589
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151240736973479 3.6319e-08  
a 2.746515326100281 1.0626e-08 au
q 2.430325293287417 1.0045e-07 au
i 3.942217491393847 3.9396e-06 deg
node 189.4778087532101 5.055e-05 deg
peri 176.7726625311325 5.2933e-05 deg
M 129.0464404921882 1.5162e-05 deg
tp 2458800.542902744676
(2019-Nov-13.04290274)
6.9739e-05 TDB
period 1662.53756549685
4.55
9.648e-06
2.641e-08
d
yr
n .2165364605715924 1.2566e-09 deg/d
Q 3.062705358913145 1.1849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1032  
   data-arc span      22141 days (60.62 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53185  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:38:35  

Additional Information
 Earth MOID = 1.42791 au 
 Jupiter MOID = 2.40078 au 
 T_jup = 3.335 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.22   n/a MPCxxxxx  
diameter diameter 2.295 km 0.709 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.306   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90589 (2587 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

Alternate Designations
 2587 P-L = 2001 RH11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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