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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209897259538353 2.7773e-08  
a 2.304600528800898 8.6026e-09 au
q 1.795307489508124 6.2651e-08 au
i 6.89692089748889 3.2129e-06 deg
node 111.7803672273846 2.8925e-05 deg
peri 194.6209441313831 3.0004e-05 deg
M 218.3425243988595 9.3971e-06 deg
tp 2459503.338949148109
(2021-Oct-15.83894915)
3.4673e-05 TDB
period 1277.885412860357
3.50
7.1551e-06
1.959e-08
d
yr
n .2817153998136604 1.5774e-09 deg/d
Q 2.813893568093672 1.0504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1594  
   data-arc span      10858 days (29.73 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:54:01  

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

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