+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   7565 Zipfel (1988 RD11) Classification: Main-belt Asteroid          SPK-ID: 2007565 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .142692768326366 4.2172e-08   a 3.045939135550129 1.4291e-08 au q 2.611305648144863 1.275e-07 au i 3.323612592904849 4.7324e-06 deg node 359.4236297596801 5.0317e-05 deg peri 188.9940834543476 5.1707e-05 deg M 164.7911349971145 1.3567e-05 deg tp 2458311.684535131264 (2018-Jul-12.18453513) 7.0447e-05 TDB period 1941.691628972322 5.32 1.3665e-05 3.741e-08 d yr n .1854053417279947 1.3048e-09 deg/d Q 3.480572622955395 1.633e-08 au   Orbit Determination Parameters    # obs. used (total)      2201      data-arc span      15425 days (42.23 yr)      first obs. used      1978-10-27      last obs. used      2021-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46445      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:38:05   Additional Information  Earth MOID = 1.61169 au   Jupiter MOID = 1.47965 au   T_jup = 3.220  [ 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 13.0   n/a MPO358704   7565 Zipfel           Discovered 1988 Sept. 14 by S. J. Bus at Cerro Tololo. Jutta Zipfel (b. 1964) is curator of meteorites at Forschungsinstitut Senckenberg in Frankfurt. Her research focuses on petrologic and geochemical studies of meteorites and she played a key role in deciphering the early partial melting of minor planets. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060809/MPCPages.arc Last Updated: 2007-08-08 [ 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 1903-Aug-19 21:46 00:03 Jupiter 1.52352238250457 1.52352152680452 1.52352323825225 1.60262458008209 1.20684670325259 2416346.407231866 2.6875919530012 527.932427303518 97.606834626983 79.0826006534221 2370687.27383635 T 34 CATAB v2.0f-lin.ifort 2021-Feb-24 01:38:10 2021-Feb-24 01:38 1952-Feb-06 20:39 00:02 Jupiter 1.51187825023861 1.51187761542779 1.511878885057 1.4402563339275 0.976651385980091 2434049.360234087 1.49870360692277 282.524664041818 162.774884729272 57.0233557086837 1911617.14020308 T 34 CATAB v2.0f-lin.ifort 2021-Feb-24 01:38:10 2021-Feb-24 01:38 1961-Jun-08 10:32 00:01 Jupiter 1.99211799339033 1.99211708883989 1.99211889794055 3.08960866126344 2.94878073749534 2437458.939101382 1.20706907891424 33.3562867699244 32.2710978760035 25.6889006090195 1815120.55829256 T 34 CATAB v2.0f-lin.ifort 2021-Feb-24 01:38:10 2021-Feb-24 01:38 2000-Aug-18 23:23 < 00:01 Jupiter 1.77048888916935 1.77048842644718 1.77048935189132 2.17249639491763 1.93982403331913 2451775.474245547 0.392158611162891 42.8168617301294 7.36165741677706 -81.6803138494594 2603292.6084305 T 34 CATAB v2.0f-lin.ifort 2021-Feb-24 01:38:10 2021-Feb-24 01:38 2009-Dec-07 12:11 < 00:01 Jupiter 1.64680959547499 1.64680919974822 1.64680999120177 1.94978290021302 1.66522381681219 2455173.007366402 0.204086698243076 76.3894051521297 20.6323449107576 67.9909585188198 3163152.44316274 T 34 CATAB v2.0f-lin.ifort 2021-Feb-24 01:38:10 2021-Feb-24 01:38 2058-Jun-04 00:11 00:01 Jupiter 1.48341920033509 1.48341877177116 1.48341962891606 1.43202287560456 0.953259037788331 2472883.507913767 1.02805485639153 380.055365424239 177.182768009623 56.6657756306192 2000796.60829116 T 34 CATAB v2.0f-lin.ifort 2021-Feb-24 01:38:10 2021-Feb-24 01:38 2106-Dec-01 05:58 00:02 Jupiter 1.61066932114856 1.61066831206478 1.61067033023315 1.59829129381735 1.2258753706228 2490594.748594791 2.34751926283894 159.549735084256 60.4318832707293 57.7040635420886 2052688.20811897 T 34 CATAB v2.0f-lin.ifort 2021-Feb-24 01:38:10 2021-Feb-24 01:38 2116-Mar-23 16:50 00:02 Jupiter 1.83098012534794 1.83097844279257 1.83098180790237 2.55857754703832 2.37088737160266 2493995.201063187 2.47598904596879 63.7773231396812 28.6570407365584 -50.105097368881 1349318.00838409 T 34 CATAB v2.0f-lin.ifort 2021-Feb-24 01:38:10 2021-Feb-24 01:38 2155-Jun-12 08:43 00:03 Jupiter 1.93756046619675 1.93755836567064 1.93756256672132 2.84463470067229 2.68656435685906 2508319.863013225 3.30683591625152 67.1402443544977 41.907632668831 23.8272235535795 740783.150662484 T 34 CATAB v2.0f-lin.ifort 2021-Feb-24 01:38:10 2021-Feb-24 01:38 2164-Sep-26 20:19 00:04 Jupiter 1.54129721241251 1.54129586174837 1.54129856315936 1.63539538933491 1.25515523470546 2511714.346564401 3.60059951310194 690.52877850588 77.1469130963309 78.0359155161819 2754459.81929598 T 34 CATAB v2.0f-lin.ifort 2021-Feb-24 01:38:10 2021-Feb-24 01:38 Alternate Designations  1988 RD11 = 1978 UW6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-28 10:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin