Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456964.5 (2014-Nov-03.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2218109121161855 2.7792e-08  
q 1.793225531746524 6.274e-08 au
tp 2456947.535321335080
(2014-Oct-17.03532134)
2.9981e-05 TDB
node 111.8417065738198 2.8918e-05 deg
peri 194.5754764436641 2.9985e-05 deg
i 6.898397684509251 3.2137e-06 deg
  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
 Jupiter MOID = 2.44084 au 
 T_jup = 3.547 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.723782928220633E-16 -1.734422221444037E-15 -5.245126129056324E-14 -8.649578815743548E-15 1.133764710065812E-14 -1.277147302697022E-16
q -1.734422221444037E-15 3.936313324572115E-15 1.407614889931332E-13 1.972813610881122E-14 -2.016387616537918E-14 3.290728694768851E-16
tp -5.245126129056324E-14 1.407614889931332E-13 8.988878870646818E-10 1.012069196803999E-11 2.484378789646703E-10 -5.200987629229235E-14
node -8.649578815743548E-15 1.972813610881122E-14 1.012069196803999E-11 8.362733331742536E-10 -8.272706517687813E-10 -2.964425769541962E-12
peri 1.133764710065812E-14 -2.016387616537918E-14 2.484378789646703E-10 -8.272706517687813E-10 8.991175484183443E-10 2.946138932545121E-12
i -1.277147302697022E-16 3.290728694768851E-16 -5.200987629229235E-14 -2.964425769541962E-12 2.946138932545121E-12 1.032790777384395E-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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-26 08:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin