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89830 (2002 CE)
Classification: Amor [NEO, PHA]          SPK-ID: 2089830
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 289 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5069271445636337 5.2905e-08  
a 2.077553628951879 6.8386e-09 au
q 1.024385300149488 1.096e-07 au
i 43.64553785839144 7.0733e-06 deg
node 19.89433130239065 7.2516e-06 deg
peri 5.800753828802987 8.9233e-06 deg
M 152.5092020398526 8.7493e-06 deg
tp 2458737.138079975157
(2019-Sep-10.63807998)
2.499e-05 TDB
period 1093.771975577932
2.99
5.4005e-06
1.479e-08
d
yr
n .3291362441516035 1.6251e-09 deg/d
Q 3.130721957754269 1.0305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1345  
   data-arc span      14232 days (38.97 yr)  
   first obs. used      1982-05-25  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-12 05:53:08  

Additional Information
 Earth MOID = .0277699 au 
 Jupiter MOID = 2.34515 au 
 T_jup = 3.293 
[ 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 14.96   n/a MPCxxxxx  
diameter diameter 5.067 km 2.155 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
rotation period rot_per 2.6149 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2004) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.079   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  

89830 (2002 CE)          Discovered 2002-Feb-01 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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