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1220 Crocus (1932 CU)
Classification: Main-belt Asteroid          SPK-ID: 2001220
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07330167992783004 5.1492e-08  
a 3.005376474340166 2.0245e-08 au
q 2.785077329955453 1.5482e-07 au
i 11.36357087198543 5.8401e-06 deg
node 113.3811174158964 2.6221e-05 deg
peri 334.0955584292384 4.5587e-05 deg
M 89.79796646077816 3.5526e-05 deg
tp 2456925.809268875390
(2014-Sep-25.30926888)
0.00018837 JED
period 1903.034889765574
5.21
1.9229e-05
5.265e-08
d
yr
n .1891715185759661 1.9115e-09 deg/d
Q 3.22567561872488 2.1729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1476  
   data-arc span      30598 days (83.77 yr)  
   first obs. used      1932-02-11  
   last obs. used      2015-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47988  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 15:33:05  

Additional Information
 Earth MOID = 1.80586 au 
 Jupiter MOID = 1.93722 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-December); 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 ]
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