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32804 (1990 SO2)
Classification: Main-belt Asteroid          SPK-ID: 2032804
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209897260695435 2.7775e-08  
a 2.304600528885571 8.6063e-09 au
q 1.795307489307423 6.2655e-08 au
i 6.896920811844348 3.2147e-06 deg
node 111.780368257129 2.8952e-05 deg
peri 194.6209429590287 3.0032e-05 deg
M 218.3425244834484 9.401e-06 deg
tp 2459503.338948875557
(2021-Oct-15.83894888)
3.4684e-05 TDB
period 1277.885412930782
3.50
7.1582e-06
1.96e-08
d
yr
n .2817153997981349 1.5781e-09 deg/d
Q 2.813893568463718 1.0508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1586  
   data-arc span      10808 days (29.59 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:30:28  

Additional Information
 Earth MOID = .781176 au 
 Jupiter MOID = 2.44084 au 
 T_jup = 3.547 
[ 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 14.4   n/a MPO417032  
diameter diameter 3.280 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.343   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32804 (1990 SO2)          Discovered 1990-Sep-17 by Holt, H. E. at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 SO2 = 2000 KQ50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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