+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 PD22) Classification: Aten [NEO]          SPK-ID: 3826804 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2458344.5 (2018-Aug-14.0) TDB Reference: JPL 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .542295345077371 0.0059508   a .7943763307351676 0.00098858 au q .3635897443378441 0.0051688 au i 3.985834908793056 0.082885 deg node 123.0625367340017 0.18644 deg peri 359.2281557062028 0.09794 deg M 232.6156118779877 0.44511 deg tp 2458436.006422057842 (2018-Nov-13.50642206) 0.47417 TDB period 258.6055671851253 0.71 0.48274 0.001322 d yr n 1.392081399942525 0.0025986 deg/d Q 1.225162917132491 0.0015247 au   Orbit Determination Parameters    # obs. used (total)      10      data-arc span      2 days      first obs. used      2018-08-13      last obs. used      2018-08-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      8      norm. resid. RMS      .30247      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 20:35:32   Additional Information  Earth MOID = .0392778 au   Jupiter MOID = 3.86001 au   T_jup = 7.205  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 24.0   .10457 MPO452059 autocmod 2.6n [ 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 2011-Aug-21 19:31 8_19:23 Earth 0.330704145807785 0.114468002585628 0.551341995187243 24.5950578465286 24.594730258697 2455795.313447903 12683.1940401865 11058018.7969505 1627.14383518432 7.43923728512971 1935.054483222 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 2015-Jun-26 11:33 3_01:49 Earth 0.264953433323137 0.209605647063598 0.320743007730578 22.4204977509359 22.4200492101915 2457199.981479133 4428.80192267359 2823047.45056401 33899.9465743871 -10.7794980043166 173.496664075155 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 2016-Jan-19 21:20 1_15:38 Mercury 0.0832899140280159 0.0160815371614873 0.206041448032377 11.1225178596364 11.122358882929 2457407.389127295 2377.49510213915 6174806.73341104 74449.9310685843 11.9241319605044 26.4463443292454 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 2018-Aug-25 14:17 01:00 Earth 0.109575921249773 0.105115908665151 0.114035809136552 11.6352745614179 11.6331844973521 2458356.095124891 60.0649805555619 222323.274511942 4620.07417131478 -0.223178559219127 50.4101945622207 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 2018-Oct-09 03:58 23:10 Venus 0.0436522730952424 0.0401941532787067 0.0471950723317163 21.9829886775105 21.9807256090038 2458400.665114400 1389.98203774017 199604.087830533 23856.4985798443 29.1402102432388 121.169138459151 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 2020-May-21 10:10 1_02:35 Venus 0.102254559106226 0.028800316110506 0.221272371750135 15.2673409801465 15.2659499304519 2458990.923621843 1594.95113789782 6049070.41451727 14743.2286670237 16.4616886226426 383.416437544236 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 2020-Jun-19 12:36 18:36 Earth 0.0442557963693267 0.0407582467048877 0.121110928435649 14.6571243286722 14.6530161029911 2459020.025146580 1115.76261295175 4837788.88591819 5162.60112747123 -67.4144423830309 2313.10399683877 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 2023-Aug-29 00:16 4_19:51 Earth 0.135861313096659 0.0388501532162838 0.292745399780229 18.0863460172965 18.0852616442023 2460185.510895811 6950.93928049979 7977278.76950745 3737.3425984243 16.639506138893 727.696055984776 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 2035-Aug-28 21:07 4_14:13 Earth 0.076673792477326 0.0472951003431753 0.13973500953345 12.3712358061908 12.368426483413 2464568.379801981 6613.08245746039 3550043.89564104 10572.1327004479 -38.1942971747979 321.493308856029 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 2037-Jun-19 22:06 4_12:18 Earth 0.0424967305447579 0.0396545177174727 0.0927114434054305 13.7269732499338 13.7224049530267 2465229.420862709 6497.64972871999 3427123.05267487 4751.58114354923 69.2749426730421 528.652771367033 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 2086-Aug-18 10:47 4_07:46 Earth 0.157510822207233 0.152994330940815 0.162031678057811 11.1548952565103 11.1533786742026 2483185.948991627 6225.50031223413 235118.283930294 178184.711087347 -25.8775237289058 238.904995707712 T 2 CATAB v2.0g-lin.ifort 2021-Apr-15 20:35:33 2021-Apr-15 20:35 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 03:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin