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117867 (2127 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117867
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684093528467323 4.3489e-08  
a 3.054827733948192 2.1557e-08 au
q 2.540366172215727 1.3375e-07 au
i 2.533071935579866 5.0834e-06 deg
node 314.5223403537216 0.00011895 deg
peri 30.66129261034023 0.00011999 deg
M 89.04525193915102 1.56e-05 deg
tp 2458518.122791101369
(2019-Feb-03.62279110)
8.3879e-05 TDB
period 1950.197134847512
5.34
2.0643e-05
5.652e-08
d
yr
n .1845967228477899 1.954e-09 deg/d
Q 3.569289295680657 2.5188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      21675 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50274  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:51:21  

Additional Information
 Earth MOID = 1.5334 au 
 Jupiter MOID = 1.8474 au 
 T_jup = 3.212 
[ 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 15.5   n/a MPO453649  

117867 (2127 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2127 P-L = 2003 WD79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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