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3355 Onizuka (1984 CC1)
Classification: Main-belt Asteroid          SPK-ID: 2003355
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06581617321748806 1.5843e-08  
a 2.186768095994617 5.4842e-09 au
q 2.042843388202159 3.3877e-08 au
i 4.066973340799957 4.6116e-07 deg
node 140.8374371340725 9.7014e-06 deg
peri 299.9167581986252 1.2658e-05 deg
M 271.8800615033961 9.771e-06 deg
tp 2459685.617383647356
(2022-Apr-16.11738365)
3.2311e-05 TDB
period 1181.143108912401
3.23
4.4433e-06
1.217e-08
d
yr
n .3047894851043823 1.1466e-09 deg/d
Q 2.330692803787075 5.8452e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2622  
   data-arc span      27965 days (76.56 yr)  
   first obs. used      1945-01-15  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46169  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 09:34:50  

Additional Information
 Earth MOID = 1.06217 au 
 Jupiter MOID = 2.78307 au 
 T_jup = 3.670 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457145.5 (2015-May-03.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0660944193453642 1.5897e-08  
q 2.041754743909241 3.4033e-08 au
tp 2457323.538168463493
(2015-Oct-28.03816846)
3.122e-05 TDB
node 140.8739074959512 9.7044e-06 deg
peri 299.842631051488 1.264e-05 deg
i 4.065855717822444 4.612e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2622  
   data-arc span      27965 days (76.56 yr)  
   first obs. used      1945-01-15  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46169  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 09:34:50  

Additional Information
 Jupiter MOID = 2.78307 au 
 T_jup = 3.670 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.527049988196103E-16 -5.353172624371801E-16 3.519481457112358E-13 -1.640937649373242E-14 1.291306213220864E-13 -2.549266524427512E-15
q -5.353172624371801E-16 1.158272967621137E-15 -7.732719336874342E-13 3.665866598242979E-14 -2.849050422290535E-13 5.460714352207627E-15
tp 3.519481457112358E-13 -7.732719336874342E-13 9.746981715811058E-10 4.981269476837447E-11 2.631957127293512E-10 -5.084534617251583E-12
node -1.640937649373242E-14 3.665866598242979E-14 4.981269476837447E-11 9.41758366967188E-11 -7.646319488133756E-11 3.531767807163627E-13
peri 1.291306213220864E-13 -2.849050422290535E-13 2.631957127293512E-10 -7.646319488133756E-11 1.597678691643996E-10 -1.898050941893544E-12
i -2.549266524427512E-15 5.460714352207627E-15 -5.084534617251583E-12 3.531767807163627E-13 -1.898050941893544E-12 2.127051379500673E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.69   n/a E2021B10  
diameter diameter 4.734 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 215.823 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.]
geometric albedo albedo 0.346   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3355 Onizuka (1984 CC1)          Discovered 1984-Feb-08 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 CC1 = 1945 BA = 1979 SM10 = 1981 GD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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