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JPL Small-Body Database Browser
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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 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1966-Apr-16 16:47 < 00:01 Juno 0.024172160197474 0.0241670277834778 0.0241772930803007 8.61369483617433 8.61369477774364 2439232.199545522 0.18868227945117 306.755101765283 32.0025717384466 33.6759232586405 63401.1095324254 T 27 CATAB v2.0f-lin.ifort 2020-Jan-29 04:28:15 2020-Jan-29 04:28
2125-Jun-08 23:58 < 00:01 Hebe 0.0309771074663145 0.0309662009664802 0.0309880150352015 5.3033444785367 5.30334444069533 2497359.498659793 0.473724408288468 615.103306354726 42.0784787248 27.956845951985 52036.0626727173 T 27 CATAB v2.0f-lin.ifort 2020-Jan-29 04:28:15 2020-Jan-29 04:28

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