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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893277406896249 7.1402e-08  
a 3.177390697890332 2.4326e-08 au
q 2.575822495770525 2.2852e-07 au
i 19.11038125518499 8.7533e-06 deg
node 5.527129175114517 1.6171e-05 deg
peri 15.1210100462641 2.2602e-05 deg
M 73.93690155909849 1.7811e-05 deg
tp 2458575.623116747575
(2019-Apr-02.12311675)
9.9607e-05 TDB
period 2068.73259151405
5.66
2.3758e-05
6.505e-08
d
yr
n .1740195912592675 1.9985e-09 deg/d
Q 3.77895890001014 2.8932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      10701 days (29.30 yr)  
   first obs. used      1990-10-09  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:26:51  

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

[ 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 20:41 < 00:01 Jupiter 1.75073682614053 1.75073599420574 1.75073765807531 4.58433014267668 4.47755117604642 2449186.362051546 0.832480916613101 178.989483707067 40.1299953585523 89.4289448981281 2166266.54274134 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 13:26:55 2020-Feb-24 13:27
2004-Jul-26 18:13 < 00:01 Jupiter 1.75524118657211 1.75524040900794 1.75524196413738 4.69566665884764 4.59174805314552 2453213.258806928 0.451796105636856 179.007298152414 34.2640128808218 -84.8180080898534 2105132.61802112 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 13:26:55 2020-Feb-24 13:27
2112-May-27 02:59 00:03 Jupiter 1.80897389561772 1.80897234546323 1.80897544577386 4.44759342497252 4.34103903472308 2492598.624154332 2.66807573245273 225.081234797212 69.9051798503892 80.5681249058434 1894273.51834641 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 13:26:55 2020-Feb-24 13:27
2123-Jun-03 07:48 00:03 Jupiter 1.72983110572308 1.72983022855257 1.72983198290116 4.69807031923262 4.59266288073563 2496622.825005276 2.9095815325973 283.589556153923 31.8918692279726 -84.2188780790342 2111978.34785877 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 13:26:55 2020-Feb-24 13:27
2134-May-25 20:38 00:04 Jupiter 1.97179743929431 1.97179479313858 1.97180008630547 4.66605098348726 4.57306181093085 2500632.359791411 3.76747983326245 2299.93601992879 54.0492705086175 -86.9605734135169 1943535.26560023 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 13:26:55 2020-Feb-24 13:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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