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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
32785 (1989 CU1)
Classification: Main-belt Asteroid          SPK-ID: 2032785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09361476874868158 3.0392e-08  
a 2.228458979107426 8.6244e-09 au
q 2.019842307112361 6.6276e-08 au
i 5.55394142081027 3.3061e-06 deg
node 114.5205476929675 5.102e-05 deg
peri 19.97841919148815 5.8737e-05 deg
M 45.45280379504862 2.8567e-05 deg
tp 2458447.086502692917
(2018-Nov-24.58650269)
9.6302e-05 TDB
period 1215.081456351569
3.33
7.0537e-06
1.931e-08
d
yr
n .2962764332532439 1.7199e-09 deg/d
Q 2.437075651102491 9.4317e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1169  
   data-arc span      11048 days (30.25 yr)  
   first obs. used      1989-02-10  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56011  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:44:56  

Additional Information
 Earth MOID = 1.03555 au 
 Jupiter MOID = 2.58474 au 
 T_jup = 3.632 
[ 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 15.4   n/a MPO435991  
diameter diameter 2.421 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.275   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32785 (1989 CU1)          Discovered 1989-Feb-10 by Oshima, Y. at Gekko
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 CU1 = 2000 PS17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin