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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1890498207780068 7.9552e-08  
a 3.176651282670095 2.692e-08 au
q 2.576105927007088 2.585e-07 au
i 19.11177599833965 9.8275e-06 deg
node 5.540666598239372 1.6378e-05 deg
peri 15.11297283883022 2.3845e-05 deg
M 4.33539099983795 1.9898e-05 deg
tp 2458575.595460724936
(2019-Apr-02.09546073)
0.0001141 TDB
period 2068.010506862756
5.66
2.6287e-05
7.197e-08
d
yr
n .1740803534630646 2.2128e-09 deg/d
Q 3.777196638333101 3.2009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      10613 days (29.06 yr)  
   first obs. used      1990-10-09  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:43:17  

Additional Information
 Earth MOID = 1.58095 au 
 Jupiter MOID = 1.71066 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1993-Jul-17 20:42 < 00:01 Jupiter 1.75073704891461 1.75073619622566 1.75073790160355 4.58432949865996 4.47755053042062 2449186.362185986 0.883553870619514 188.913483442638 40.9062773755267 89.9791504628826 2029551.5677941 T 17 CATAB v2.0f-lin.ifort 2019-Nov-07 18:43:37 2019-Nov-07 18:43
2004-Jul-26 18:13 < 00:01 Jupiter 1.75524100635986 1.75524013086849 1.75524188185294 4.69566626499429 4.59174763958848 2453213.258896027 0.467430642606692 186.740416766145 37.0455533101338 -83.488099791063 1876165.70348673 T 17 CATAB v2.0f-lin.ifort 2019-Nov-07 18:43:37 2019-Nov-07 18:43
2112-May-27 02:59 00:03 Jupiter 1.80897404794831 1.80897219152555 1.80897590437364 4.44759289932099 4.34103850525188 2492598.624105627 3.04565033489846 244.556718958874 79.9320791834207 77.8938520093263 1659826.55731084 T 17 CATAB v2.0f-lin.ifort 2019-Nov-07 18:43:37 2019-Nov-07 18:43
2123-Jun-03 07:48 00:03 Jupiter 1.72983107407434 1.72983019481012 1.72983195334554 4.69806991370622 4.59266246395123 2496622.824905761 3.2918164865413 303.726319493464 34.3254896478752 -85.1093872894305 1910950.63500677 T 17 CATAB v2.0f-lin.ifort 2019-Nov-07 18:43:37 2019-Nov-07 18:43
2134-May-25 20:38 00:04 Jupiter 1.97179726022365 1.97179437373459 1.9718001477293 4.66605054616858 4.57306135618891 2500632.359679541 4.24952859074517 2515.62822068379 59.8178370526641 -86.9663744781856 1777384.02628978 T 17 CATAB v2.0f-lin.ifort 2019-Nov-07 18:43:37 2019-Nov-07 18:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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