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90585 (2032 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2090585
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559693144633126 3.5084e-08  
a 2.590315811424705 1.1561e-08 au
q 2.186306030073315 9.2367e-08 au
i 4.195482023176355 4.7891e-06 deg
node 343.4711508233697 4.6014e-05 deg
peri 42.13866596580775 4.9065e-05 deg
M 101.7090242738313 1.688e-05 deg
tp 2458570.286049714052
(2019-Mar-27.78604971)
7.0155e-05 TDB
period 1522.746120206263
4.17
1.0194e-05
2.791e-08
d
yr
n .2364149842333773 1.5827e-09 deg/d
Q 2.994325592776096 1.3364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      21681 days (59.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:14:24  

Additional Information
 Earth MOID = 1.19222 au 
 Jupiter MOID = 2.47467 au 
 T_jup = 3.399 
[ 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 15.4   n/a MPO359375  
diameter diameter 2.378 km 0.456 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 196.469 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.312   0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90585 (2032 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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