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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07210735173430781 5.2006e-08  
a 3.004671859486841 1.9649e-08 AU
q 2.788012928868647 1.5597e-07 AU
i 11.37439490975053 5.875e-06 deg
node 113.4271123516254 2.68e-05 deg
peri 334.5338856579118 4.6527e-05 deg
M 13.77742465675586 3.6506e-05 deg
tp 2456927.695278450041
(2014-Sep-27.19527845)
0.000193 JED
period 1902.365675077967
5.21
1.8661e-05
5.109e-08
d
yr
n .189238065381539 1.8563e-09 deg/d
Q 3.221330790105035 2.1066e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1432  
   data-arc span      30356 days (83.11 yr)  
   first obs. used      1932-02-11  
   last obs. used      2015-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47498  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:04:11  

Additional Information
 Earth MOID = 1.80881 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. 2015-May); Warner et al., 2009 Published Reference List:
[Pilcher, F.; Benishek, V.; Franco, L.; Harris, A.W.; et al. (2015). Minor Planet Bul. 42, in press (1220).]

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 2015-May-27 03:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin