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12443 Paulsydney (1996 EQ2)
Classification: Main-belt Asteroid          SPK-ID: 2012443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059754359395864 4.2695e-08  
a 3.118945023262369 1.944e-08 au
q 2.476518962424299 1.3186e-07 au
i 17.46603380579752 4.767e-06 deg
node 195.9747251973344 1.4033e-05 deg
peri 205.0235830559343 1.6778e-05 deg
M 247.781693022082 1.1564e-05 deg
tp 2459627.649698530364
(2022-Feb-17.14969853)
6.8184e-05 TDB
period 2011.916750048263
5.51
1.881e-05
5.15e-08
d
yr
n .1789338450467019 1.6729e-09 deg/d
Q 3.761371084100439 2.3444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1662  
   data-arc span      8858 days (24.25 yr)  
   first obs. used      1996-03-16  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49437  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:27:33  

Additional Information
 Earth MOID = 1.49334 au 
 Jupiter MOID = 1.72155 au 
 T_jup = 3.114 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456608.5 (2013-Nov-12.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2096319333031341 4.2769e-08  
q 2.459384237018231 1.3213e-07 au
tp 2455615.531202155523
(2011-Feb-23.03120216)
5.2854e-05 TDB
node 196.1137335292322 1.4007e-05 deg
peri 205.1780844277771 1.6649e-05 deg
i 17.50426119579382 4.7756e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1662  
   data-arc span      8858 days (24.25 yr)  
   first obs. used      1996-03-16  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49437  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:27:33  

Additional Information
 Jupiter MOID = 1.72155 au 
 T_jup = 3.114 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.829148939411992E-15 -5.612038533949827E-15 3.873804364673533E-14 1.200717553724074E-15 3.072487074022634E-14 -3.093756709022052E-16
q -5.612038533949827E-15 1.745922590900113E-14 -7.526319043379487E-14 -3.284491851836536E-15 -6.457074134498934E-14 1.405184823364728E-15
tp 3.873804364673533E-14 -7.526319043379487E-14 2.793596913976334E-9 2.496439362412054E-12 4.931850243032081E-10 3.588469196434146E-12
node 1.200717553724074E-15 -3.284491851836536E-15 2.496439362412054E-12 1.962026750279917E-10 -1.863711505381052E-10 1.479282816270686E-11
peri 3.072487074022634E-14 -6.457074134498934E-14 4.931850243032081E-10 -1.863711505381052E-10 2.771760489987961E-10 -1.34281575829808E-11
i -3.093756709022052E-16 1.405184823364728E-15 3.588469196434146E-12 1.479282816270686E-11 -1.34281575829808E-11 2.280651094049425E-11

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 12.6   n/a MPO263461  
diameter diameter 8.944 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 15.28 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.221   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

12443 Paulsydney           Discovered 1996 Mar. 15 by the AMOS team at Haleakala.
With the gracious support of his family, Paul Sydney, a physicist on the AMOS team, has dedicated many long hours to demonstrating that U.S. Air Force assets could be applied successfully to following up minor planets. In return, the Air Force has benefited significantly from collaboration with the astronomical community.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ 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
1958-Dec-11 00:56 00:02 Jupiter 1.76852320195808 1.76852239781857 1.76852400610181 4.03694225761288 3.91650558415952 2436548.538568406 1.4972824042879 197.872027230929 28.8222288144129 -81.2365187257973 3120712.4858024 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 17:27:51 2020-Jun-23 17:27
1969-Apr-28 09:48 00:01 Jupiter 1.93823507543851 1.93823420401346 1.93823594686665 4.37370253904664 4.27261742645526 2440339.908585066 1.18447156246321 150.933958750391 22.5991004809193 75.7311918525193 3902362.51807886 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 17:27:51 2020-Jun-23 17:27
2030-Sep-23 01:43 < 00:01 Jupiter 1.92617523997256 1.92617464293369 1.92617583701143 3.48845506516703 3.36003456644018 2462767.571821531 0.620063223676937 119.350422195997 30.8796559244411 89.4758581847433 2546283.6981894 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 17:27:51 2020-Jun-23 17:27
2041-Jan-20 00:48 < 00:01 Jupiter 1.77965099317723 1.77965044404614 1.77965154231004 4.33761532821479 4.22646535581981 2466539.533427474 0.789408192499135 132.156975158348 19.0224155451148 81.8551344927532 3623555.61129671 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 17:27:51 2020-Jun-23 17:27
2112-Oct-09 13:59 00:03 Jupiter 1.73750102287832 1.7375005898201 1.73750145593654 4.15530555735655 4.03628231206963 2492734.082471226 2.6595618738741 415.027467853601 21.3146999789499 -89.5099898009902 3226624.06109178 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 17:27:51 2020-Jun-23 17:27
2184-Jul-08 12:14 00:05 Jupiter 1.81892380827416 1.81892181025592 1.81892580635122 3.76570721484596 3.63994589757129 2518939.009757002 4.97966441983591 560.151345916938 33.2752967706431 -78.8549271610647 2468216.33086284 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 17:27:51 2020-Jun-23 17:27
2194-Nov-18 21:43 00:05 Jupiter 1.90164997345296 1.90164689102494 1.90165305596043 4.43560608069933 4.33402494884002 2522724.404857936 4.99182504825617 644.428729697241 20.0272198265156 76.5273824024475 4049481.74931036 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 17:27:51 2020-Jun-23 17:27

Alternate Designations
 1996 EQ2 = 1997 GX41 = 1998 MT10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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