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1803 Zwicky (1967 CA)
Classification: Main-belt Asteroid          SPK-ID: 2001803
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2478226094984377 4.093e-08  
a 2.349172660750564 7.7085e-09 au
q 1.766994561800971 9.4578e-08 au
i 21.55369153191333 4.9009e-06 deg
node 337.2606975041996 1.2204e-05 deg
peri 253.9217541018565 1.5415e-05 deg
M 120.8106664911651 1.0217e-05 deg
tp 2458159.159672138791
(2018-Feb-09.65967214)
3.6774e-05 TDB
period 1315.136507765679
3.60
6.4732e-06
1.772e-08
d
yr
n .2737358425336497 1.3473e-09 deg/d
Q 2.931350759700157 9.6189e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2214  
   data-arc span      32397 days (88.70 yr)  
   first obs. used      1931-02-17  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:09:02  

Additional Information
 Earth MOID = .881185 au 
 Jupiter MOID = 2.38422 au 
 T_jup = 3.426 
[ 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 12.2   n/a MPO452185  
diameter diameter 9.934 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 27.1 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.259   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1803 Zwicky (1967 CA)          Discovered 1967-Feb-06 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1967 CA = 1931 DL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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