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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209897263773906 2.779e-08  
a 2.304600528778574 8.7936e-09 au
q 1.795307488514607 6.266e-08 au
i 6.89692060211537 3.2536e-06 deg
node 111.7803749103142 3.1096e-05 deg
peri 194.6209367985929 3.2287e-05 deg
M 218.3425241391591 9.7026e-06 deg
tp 2459503.338950062657
(2021-Oct-15.83895006)
3.5579e-05 TDB
period 1277.885412841789
3.50
7.314e-06
2.002e-08
d
yr
n .2817153998177538 1.6124e-09 deg/d
Q 2.813893569042541 1.0737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1434  
   data-arc span      10702 days (29.30 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 04:27:45  

Additional Information
 Earth MOID = .781176 au 
 Jupiter MOID = 2.44084 au 
 T_jup = 3.547 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456776.5 (2014-Apr-29.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2217815101692897 2.7807e-08  
q 1.793183029396454 6.2744e-08 au
tp 2456947.574919254438
(2014-Oct-17.07491925)
3.1899e-05 TDB
node 111.8419517718749 3.1089e-05 deg
peri 194.5929043663251 3.2267e-05 deg
i 6.898367942992361 3.2543e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1434  
   data-arc span      10702 days (29.30 yr)  
   first obs. used      1990-09-17  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 04:27:45  

Additional Information
 Jupiter MOID = 2.44084 au 
 T_jup = 3.547 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.732285456590018E-16 -1.735086118743655E-15 -6.170483791506762E-14 -8.338611807667775E-15 7.718761313245522E-15 -1.586810154329834E-16
q -1.735086118743655E-15 3.936840564806134E-15 1.462383769231234E-13 1.900959808749329E-14 -1.745425321418538E-14 3.844106558241423E-16
tp -6.170483791506762E-14 1.462383769231234E-13 1.017536952501956E-9 1.276374974148406E-11 2.884650012584649E-10 -7.334306748803629E-14
node -8.338611807667775E-15 1.900959808749329E-14 1.276374974148406E-11 9.665409428295772E-10 -9.557429211915419E-10 -8.626169742291739E-12
peri 7.718761313245522E-15 -1.745425321418538E-14 2.884650012584649E-10 -9.557429211915419E-10 1.041144293036304E-9 8.563670246122289E-12
i -1.586810154329834E-16 3.844106558241423E-16 -7.334306748803629E-14 -8.626169742291739E-12 8.563670246122289E-12 1.05904230026301E-11

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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