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216388 (2008 CU75)
Classification: Main-belt Asteroid          SPK-ID: 2216388
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01520284470374436 3.9709e-08  
a 2.874716299028038 2.1757e-08 au
q 2.831012433566592 1.1643e-07 au
i 7.025518025859769 4.3592e-06 deg
node 96.53995458885157 3.6419e-05 deg
peri 32.94681844284546 0.00018125 deg
M 272.2457216513703 0.00018047 deg
tp 2459830.467006373467
(2022-Sep-07.96700637)
0.00089399 TDB
period 1780.290661998109
4.87
2.0211e-05
5.533e-08
d
yr
n .2022141708006006 2.2956e-09 deg/d
Q 2.918420164489484 2.2088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      6914 days (18.93 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48886  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:37  

Additional Information
 Earth MOID = 1.84976 au 
 Jupiter MOID = 2.09037 au 
 T_jup = 3.285 
[ 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 16.14   n/a E2021B55  
rotation period rot_per 1.78 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

216388 (2008 CU75)          Discovered 2008-Feb-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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