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JPL Small-Body Database Browser
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13870 (2158 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2013870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0999536649258046 3.576e-08  
a 2.443443738452576 9.4664e-09 au
q 2.199212581754232 8.6236e-08 au
i 6.027376575907231 4.3243e-06 deg
node 205.8829673184481 3.9269e-05 deg
peri 234.5417455180962 4.5426e-05 deg
M 168.286502171329 2.3216e-05 deg
tp 2458348.348158018274
(2018-Aug-17.84815802)
8.8916e-05 TDB
period 1395.089089643102
3.82
8.1073e-06
2.22e-08
d
yr
n .258048036267058 1.4996e-09 deg/d
Q 2.68767489515092 1.0413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1263  
   data-arc span      21674 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51271  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:46:44  

Additional Information
 Earth MOID = 1.22087 au 
 Jupiter MOID = 2.52554 au 
 T_jup = 3.486 
[ 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 14.9   n/a MPO473955  

13870 (2158 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2158 P-L = 1997 ML6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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