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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100378209012163 3.5845e-08  
a 2.442802409426568 9.6026e-09 au
q 2.197598278597733 8.6609e-08 au
i 6.02859494014694 4.3361e-06 deg
node 205.8908417824363 3.9623e-05 deg
peri 234.5089407652837 4.5782e-05 deg
M 65.03565703471082 2.3086e-05 deg
tp 2458348.569952951603
(2018-Aug-18.06995295)
8.9075e-05 TDB
period 1394.539873549939
3.82
8.2229e-06
2.251e-08
d
yr
n .2581496641494979 1.5222e-09 deg/d
Q 2.688006540255404 1.0567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1252  
   data-arc span      21383 days (58.54 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50997  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:24:23  

Additional Information
 Earth MOID = 1.2191 au 
 Jupiter MOID = 2.52713 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 14.8   n/a MPO337376  

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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