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276049 (2002 CE26)
Classification: Apollo [NEO]          SPK-ID: 2276049
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 170 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5607922460103185 1.3407e-08  
a 2.233070507380227 4.0479e-10 au
q .980781882047068 2.9905e-08 au
i 47.29624481079293 8.476e-06 deg
node 161.8991161547233 1.369e-06 deg
peri 228.0044090693858 5.7194e-06 deg
M 2.578904601051746 9.5601e-07 deg
tp 2459387.768580451275
(2021-Jun-22.26858045)
3.2356e-06 TDB
period 1218.85510470569
3.34
3.3142e-07
9.074e-10
d
yr
n .2953591436833889 8.031e-11 deg/d
Q 3.485359132713386 6.318e-10 au
  Orbit Determination Parameters
   # obs. used (total)      1676  
   # delay obs. used      7  
   # Doppler obs. used      0  
   data-arc span      6686 days (18.31 yr)  
   first obs. used      2001-12-26  
   last obs. used      2020-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35028  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:55:09  

Additional Information
 Earth MOID = .0967526 au 
 Jupiter MOID = 2.58969 au 
 T_jup = 3.066 
[ 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 16.4   n/a MPO476181  
magnitude slope G -0.25   .05 Pravec et al., Icarus 181 (2006), 63-93.  
diameter diameter 3.5 km 0.4 Shepard et al. 2006, Icarus 184, 198-210. Spheroidal. Secondary: ~0.3 km diameter
bulk density density 0.9 g/cm^3 +0.5-0.4 Shepard et al. 2006, Icarus 184, 198-210. Porosity ~20%.
rotation period rot_per 3.2931 h 0.0003 Shepard et al. 2006, Icarus 184, 198-210.
pole direction pole 327/-35   10/15 Shepard et al. 2006, Icarus 184, 198-210. Shepard et al. gives original J2000 ecliptic angles lamba=317 +/-10, beta= -20 +/-15
geometric albedo albedo .07   +0.05/-0.2 Shepard et al. 2006, Icarus 184, 198-210. Consistent with standard C-class taxonomy and thermal model. Radar albedo: 0.24 +0.06/-0.05
Tholen spectral type spec_T C   n/a Shepard et al. 2006, Icarus 184, 198-210. No evidence of hydration.

276049 (2002 CE26)          Discovered 2002-Feb-10 by LINEAR at Socorro
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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