Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
1220 Crocus (1932 CU)
Classification: Main-belt Asteroid          SPK-ID: 2001220
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07361340827631055 4.8587e-08  
a 3.003480299694538 1.8437e-08 au
q 2.782383878143268 1.4307e-07 au
i 11.36338945061025 5.1113e-06 deg
node 113.3531728319626 2.6097e-05 deg
peri 333.6689792108857 4.3851e-05 deg
M 128.0974339166487 3.4332e-05 deg
tp 2456923.991064011235
(2014-Sep-23.49106401)
0.00018137 JED
period 1901.234158323779
5.21
1.7506e-05
4.793e-08
d
yr
n .18935069014192 1.7435e-09 deg/d
Q 3.224576721245807 1.9794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1599  
   data-arc span      30747 days (84.18 yr)  
   first obs. used      1932-02-11  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46685  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:32:41  

Additional Information
 Earth MOID = 1.80207 au 
 Jupiter MOID = 1.93873 au 
 T_jup = 3.218 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.72 mag n/a PDS3 (MPC 17261)  
magnitude slope G 0.23   n/a PDS3 (MPC 17261) Fit
rotation period rot_per 491.4 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Pilcher, F.; Benishek, V.; Franco, L.; Harris, A.W.; et al. (2015). Minor Planet Bul. 42, 155-157.]

1220 Crocus (1932 CU)          Discovered 1932-Feb-11 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1932 CU = 1955 PC 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-03 01:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin