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JPL Small-Body Database Browser
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160881 (2001 PJ12)
Classification: Main-belt Asteroid          SPK-ID: 2160881
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893277395951012 7.2456e-08  
a 3.177390698114181 2.4692e-08 au
q 2.575822499429723 2.3245e-07 au
i 19.11037998233116 8.9347e-06 deg
node 5.52712973987957 1.619e-05 deg
peri 15.12100966187041 2.2747e-05 deg
M 73.93690133128383 1.8153e-05 deg
tp 2458575.623118011808
(2019-Apr-02.12311801)
0.00010146 TDB
period 2068.732591732664
5.66
2.4114e-05
6.602e-08
d
yr
n .1740195912408778 2.0285e-09 deg/d
Q 3.77895889679864 2.9366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      10679 days (29.24 yr)  
   first obs. used      1990-10-09  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53583  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:34:27  

Additional Information
 Earth MOID = 1.58146 au 
 Jupiter MOID = 1.71235 au 
 T_jup = 3.088 
[ 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 14.4   n/a MPO454066  

160881 (2001 PJ12)          Discovered 2001-Aug-12 by NEAT at Palomar
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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