+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   27077 (1998 TL2) Classification: Main-belt Asteroid          SPK-ID: 2027077 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1700184561718708 4.4351e-08   a 2.269904130911166 7.3325e-09 au q 1.883978534915497 1.0031e-07 au i 4.197282918493287 4.7579e-06 deg node 3.206274702538062 4.737e-05 deg peri 14.6598781079808 4.8738e-05 deg M 123.5111172769929 1.0925e-05 deg tp 2458571.938405430012 (2019-Mar-29.43840543) 3.7343e-05 TDB period 1249.135927571555 3.42 6.0527e-06 1.657e-08 d yr n .288199219999921 1.3965e-09 deg/d Q 2.655829726906834 8.5792e-09 au   Orbit Determination Parameters    # obs. used (total)      986      data-arc span      10369 days (28.39 yr)      first obs. used      1991-09-13      last obs. used      2020-02-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50832      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 00:56:49   Additional Information  Earth MOID = .885958 au   Jupiter MOID = 2.81018 au   T_jup = 3.591  [ 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 15.7   n/a MPO351013   27077 (1998 TL2)          Discovered 1998-Oct-13 by ODAS at Caussols Reference: 20010804/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 TL2 = 1991 RK35 = 2000 DZ11  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-10 19:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin