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30782 (1988 CC4)
Classification: Main-belt Asteroid          SPK-ID: 2030782
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0416315254108656 3.7433e-08  
a 2.996091855249019 1.9459e-08 au
q 2.871359981043932 1.1247e-07 au
i 7.732936462785069 3.8854e-06 deg
node 244.2479297972917 3.0947e-05 deg
peri 309.2650785617384 5.9891e-05 deg
M 84.6858781888151 4.973e-05 deg
tp 2458754.905719662323
(2019-Sep-28.40571966)
0.00026334 TDB
period 1894.22303165949
5.19
1.8454e-05
5.052e-08
d
yr
n .1900515377455903 1.8516e-09 deg/d
Q 3.120823729454106 2.027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      11841 days (32.42 yr)  
   first obs. used      1988-02-13  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54405  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:39:58  

Additional Information
 Earth MOID = 1.8746 au 
 Jupiter MOID = 1.88768 au 
 T_jup = 3.239 
[ 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 14.29   n/a MPCxxxxx  
rotation period rot_per 2.99762 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

30782 (1988 CC4)          Discovered 1988-Feb-13 by Elst, E. W. at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 CC4 = 1999 JJ106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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