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26927 (1997 CD4)
Classification: Main-belt Asteroid          SPK-ID: 2026927
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345842764427497 3.4227e-08  
a 2.323822558287771 7.8606e-09 au
q 2.011072580699272 8.2111e-08 au
i 2.333546373856529 3.4134e-06 deg
node 208.2924304746607 7.8545e-05 deg
peri 145.5427157510064 7.9404e-05 deg
M .1942586376557033 1.3058e-05 deg
tp 2458999.801798609042
(2020-May-30.30179861)
4.6932e-05 TDB
period 1293.90643205436
3.54
6.5652e-06
1.797e-08
d
yr
n .2782272280913088 1.4117e-09 deg/d
Q 2.63657253587627 8.9185e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1538  
   data-arc span      8711 days (23.85 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:54:04  

Additional Information
 Earth MOID = 1.00654 au 
 Jupiter MOID = 2.7872 au 
 T_jup = 3.562 
[ 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 14.8   n/a MPO435951  

26927 (1997 CD4)          Discovered 1997-Feb-03 by JPL/GEODSS NEAT at Haleakala
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 CD4 = 1999 XP87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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