+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   846 Lipperta (A916 WN) Classification: Main-belt Asteroid          SPK-ID: 2000846 [ 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 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .177188383574763 3.3457e-08   a 3.137050281653475 1.329e-08 au q 2.581201413054541 1.0613e-07 au i .2657401263439504 3.6285e-06 deg node 261.0056806191261 0.00082454 deg peri 129.3587368044077 0.0008246 deg M 277.0138598696074 1.1603e-05 deg tp 2459468.325306513336 (2021-Sep-10.82530651) 6.7078e-05 TDB period 2029.460703681049 5.56 1.2896e-05 3.531e-08 d yr n .1773870266849857 1.1272e-09 deg/d Q 3.692899150252409 1.5644e-08 au   Orbit Determination Parameters    # obs. used (total)      3688      data-arc span      37884 days (103.72 yr)      first obs. used      1916-11-16      last obs. used      2020-08-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41248      source      ORB      producer      Otto Matic      solution date      2020-Aug-24 22:23:22   Additional Information  Earth MOID = 1.58668 au   Jupiter MOID = 1.75276 au   T_jup = 3.187  [ 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 10.3   n/a MPO492759 IRAS observations used: 9 diameter diameter 52.41 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9 rotation period rot_per 1641. 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: [Buchheim, R.K. (2011) Minor Planet Bull. 38, 151-153.] geometric albedo albedo 0.0506   0.003 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 9 B-V BV 0.610   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.20 deg. U-B UB 0.390   0.060 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.20 deg. Tholen spectral type spec_T CBU:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices 846 Lipperta (A916 WN)          Discovered 1916-Nov-26 by Gyllenberg, K. at Bergedorf Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ 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 1947-Jul-25 16:49 00:01 Jupiter 1.78708048935927 1.78708010930531 1.78708086941304 1.88924885489453 1.61904949346226 2432392.200534661 1.24144720740095 53.2566192228323 19.9409148393412 84.9632800570178 2554128.51177302 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:23:36 2020-Aug-24 22:23 1957-Nov-04 07:11 00:01 Jupiter 1.81665622890087 1.81665582251709 1.81665663528475 1.82633534665884 1.55015921389166 2436146.799583527 1.00556429038322 74.6576444455368 19.2287481164615 -82.110460725757 2981451.85107921 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:23:36 2020-Aug-24 22:23 2020-Apr-04 18:06 < 00:01 Jupiter 1.9774497130403 1.97744935985743 1.97745006622317 3.11730037323344 2.9767230122711 2458944.254455294 0.23083608484343 34.7253632344824 12.0324948020363 -89.2143095301019 3950245.26833302 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:23:36 2020-Aug-24 22:23 2030-Jul-13 15:21 < 00:01 Jupiter 1.76713613265252 1.76713582364388 1.76713644166096 1.80649459907722 1.51815152954608 2462696.139837035 0.414121968806889 50.4825203983395 22.8147838414363 -86.2632727476762 3016668.3734885 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:23:36 2020-Aug-24 22:23 2040-Oct-23 07:17 < 00:01 Jupiter 1.8340234421693 1.83402305637463 1.83402382796397 1.89365194897626 1.63163747026731 2466450.803646606 0.628968758142495 57.9511985803825 14.4529680623422 -87.4128438784495 3045175.80863741 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:23:36 2020-Aug-24 22:23 2103-Mar-27 03:08 00:02 Jupiter 1.947908989007 1.94790836178057 1.94790961623321 2.93772478634758 2.78577696807674 2489249.630326663 1.7722723627555 36.8831152789577 15.6160401110071 84.7860368961454 1817188.95632944 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:23:36 2020-Aug-24 22:23 2113-Jul-02 14:09 00:02 Jupiter 1.75689343974028 1.75689311283707 1.75689376664329 1.7538639427148 1.45320720959154 2493000.089782959 1.99970442401909 70.738042923576 34.5544431820305 75.4924200875111 2538022.29052502 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:23:36 2020-Aug-24 22:23 2123-Oct-12 03:20 00:02 Jupiter 1.86280568533196 1.86280496379353 1.86280640687209 2.00227939156745 1.76060149944535 2496753.638588496 2.21648256730313 122.409364250319 9.17763431604127 -87.3452029327909 2991721.59071302 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:23:36 2020-Aug-24 22:23 2186-Mar-15 18:24 00:03 Jupiter 1.9086464765778 1.90864542127449 1.90864753188046 2.74201692004735 2.57509091985102 2519554.266450188 3.38671510633723 38.8283044515563 18.0680523545168 80.2195240972558 1029224.806254 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:23:36 2020-Aug-24 22:23 2196-Jun-21 03:27 00:04 Jupiter 1.74759892077749 1.74759860942094 1.74759923213375 1.71180137325488 1.40032432285402 2523304.643856516 3.60081651751836 107.574155787942 39.4555962990675 70.7875748945608 2572377.65502469 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:23:36 2020-Aug-24 22:23 Alternate Designations  A916 WN = 1933 XF = 1943 QF = 1949 UB1 = 2019 FF5 = A912 AD  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-28 02:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin