+ 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 44 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1771883825954428 3.2748e-08   a 3.137050281344458 1.3031e-08 au q 2.581201415872455 1.0435e-07 au i .2657401559909787 3.577e-06 deg node 261.0056753459673 0.00081225 deg peri 129.3587421005049 0.00081232 deg M 277.0138599857383 1.1566e-05 deg tp 2459468.325305789534 (2021-Sep-10.82530579) 6.6825e-05 TDB period 2029.460703381179 5.56 1.2645e-05 3.462e-08 d yr n .1773870267111961 1.1053e-09 deg/d Q 3.692899146816461 1.534e-08 au   Orbit Determination Parameters    # obs. used (total)      3847      data-arc span      37986 days (104.00 yr)      first obs. used      1916-11-16      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .40488      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:56:33   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. 2020-October); 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 1.78708049361018 1.78708012362215 1.78708086359801 1.88924891697118 1.61904956659508 2432392.200551696 1.22200099810671 52.9924601528048 19.3446066290034 85.4150393090413 2624698.46498417 T 44 CATAB v2.0f-lin.ifort 2020-Dec-18 01:56:42 2020-Dec-18 01:56 1957-Nov-04 07:11 < 00:01 Jupiter 1.81665623047205 1.81665582512309 1.81665663582111 1.82633533962817 1.55015920586855 2436146.799593707 0.989815752512492 73.7042327110715 18.9214491282996 -81.7164393368842 3033506.24345351 T 44 CATAB v2.0f-lin.ifort 2020-Dec-18 01:56:42 2020-Dec-18 01:56 2020-Apr-04 18:06 < 00:01 Jupiter 1.97744971197982 1.97744935942024 1.97745006453941 3.11730034060544 2.97672297802505 2458944.254450084 0.219298153096676 33.8280939748991 12.0108541721605 -89.1310714089316 3957296.87355389 T 44 CATAB v2.0f-lin.ifort 2020-Dec-18 01:56:42 2020-Dec-18 01:56 2030-Jul-13 15:21 < 00:01 Jupiter 1.76713613484723 1.76713582950613 1.76713644018814 1.80649460375511 1.51815153550456 2462696.139832051 0.399564695384899 50.3688604272653 22.6160278150718 -86.5363140438597 3043926.09492616 T 44 CATAB v2.0f-lin.ifort 2020-Dec-18 01:56:42 2020-Dec-18 01:56 2040-Oct-23 07:17 < 00:01 Jupiter 1.83402344681384 1.83402307437221 1.83402381925548 1.89365194054676 1.63163746120098 2466450.803648892 0.611155120383353 56.5610284909405 14.117012017872 -87.8585410073487 3125200.92932015 T 44 CATAB v2.0f-lin.ifort 2020-Dec-18 01:56:42 2020-Dec-18 01:56 2103-Mar-27 03:08 00:02 Jupiter 1.94790898458302 1.94790836919972 1.94790959996611 2.93772483738638 2.7857770215449 2489249.630325373 1.72691194451849 35.9041437054018 15.355040767838 84.9347689821202 1850082.63116741 T 44 CATAB v2.0f-lin.ifort 2020-Dec-18 01:56:42 2020-Dec-18 01:56 2113-Jul-02 14:09 00:02 Jupiter 1.75689344156845 1.7568931163572 1.7568937667795 1.75386396192465 1.45320723312097 2493000.089777854 1.95148562948011 70.0679030778086 34.3445518235641 75.1639748748529 2548733.02284469 T 44 CATAB v2.0f-lin.ifort 2020-Dec-18 01:56:42 2020-Dec-18 01:56 2123-Oct-12 03:20 00:02 Jupiter 1.86280569277963 1.86280499773179 1.86280638782906 2.00227946148717 1.76060157999552 2496753.638569604 2.16524055785765 119.535628758427 8.95412655261718 -87.5269318607396 3064134.33889775 T 44 CATAB v2.0f-lin.ifort 2020-Dec-18 01:56:42 2020-Dec-18 01:56 2186-Mar-15 18:24 00:03 Jupiter 1.90864646968353 1.90864543567336 1.90864750369305 2.74201681525462 2.57509080764278 2519554.266426553 3.30764036034343 37.8080632922763 17.7346559063313 80.3224180575108 1049043.92532667 T 44 CATAB v2.0f-lin.ifort 2020-Dec-18 01:56:42 2020-Dec-18 01:56 2196-Jun-21 03:27 00:04 Jupiter 1.7475989233903 1.74759861722513 1.74759922955518 1.71180137974565 1.40032433130602 2523304.643840251 3.51909097541517 106.066122425728 39.0732928003342 70.3730947162677 2596250.095177 T 44 CATAB v2.0f-lin.ifort 2020-Dec-18 01:56:42 2020-Dec-18 01:56 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 ] 2021-Jan-22 06:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin