+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100357 (1995 TF11) Classification: Main-belt Asteroid          SPK-ID: 2100357 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0414393873133682 4.4203e-08   a 3.081826628842492 2.2571e-08 au q 2.954117621537236 1.3973e-07 au i 3.561098608922848 4.8131e-06 deg node 212.7972467435448 5.8338e-05 deg peri 167.9791758221837 7.6626e-05 deg M 234.2741608882701 5.2288e-05 deg tp 2459890.632967515324 (2022-Nov-07.13296752) 0.00029152 TDB period 1976.108253170825 5.41 2.1709e-05 5.944e-08 d yr n .1821762544751033 2.0013e-09 deg/d Q 3.209535636147749 2.3506e-08 au   Orbit Determination Parameters    # obs. used (total)      617      data-arc span      9018 days (24.69 yr)      first obs. used      1995-10-02      last obs. used      2020-06-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51221      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:06:38   Additional Information  Earth MOID = 1.95498 au   Jupiter MOID = 2.00541 au   T_jup = 3.223  [ 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 15.33   n/a E2021B55   diameter diameter 6.987 km 1.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.036   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100357 (1995 TF11)          Discovered 1995-Oct-15 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1995 TF11 = 2001 XS15  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-09 04:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin