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168358 Casca (1996 DF2)
Classification: Main-belt Asteroid          SPK-ID: 2168358
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08963234656118076 2.9517e-08  
a 2.144507424618723 6.8498e-09 au
q 1.952290191932272 6.3934e-08 au
i 2.980402749628669 4.9422e-06 deg
node 352.9252876779328 5.9387e-05 deg
peri 59.75927087228045 6.6264e-05 deg
M 57.14883000377548 3.0874e-05 deg
tp 2459018.406433985917
(2020-Jun-17.90643399)
9.7994e-05 TDB
period 1147.0695683663
3.14
5.4958e-06
1.505e-08
d
yr
n .3138432139845934 1.5037e-09 deg/d
Q 2.336724657305174 7.4638e-09 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      10778 days (29.51 yr)  
   first obs. used      1991-09-08  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59064  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:35:28  

Additional Information
 Earth MOID = .964039 au 
 Jupiter MOID = 2.90621 au 
 T_jup = 3.703 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.82   n/a MPCxxxxx  

168358 Casca           Discovered 1996 Feb. 24 by D. D. Balam at National Research Council of Canada.
This minor planet is named in honor of the Canadian Astronomical Society, or Société Canadienne d´Astronomie. The society is devoted to the promotion and advancement of knowledge of the universe through research and education.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

Alternate Designations
 1996 DF2 = 2001 YW78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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