+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118063 (4259 T-2) Classification: Main-belt Asteroid          SPK-ID: 2118063 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2442788448548737 4.1564e-08   a 2.339991606017007 8.7432e-09 au q 1.768381159529072 9.699e-08 au i 1.676230890505324 4.7005e-06 deg node 113.4276587316394 0.00020695 deg peri 204.6299248948752 0.00020728 deg M 42.96328951567629 1.3599e-05 deg tp 2458844.467559470915 (2019-Dec-26.96755947) 4.8905e-05 TDB period 1307.434305512733 3.58 7.3277e-06 2.006e-08 d yr n .2753484427340461 1.5432e-09 deg/d Q 2.911602052504942 1.0879e-08 au   Orbit Determination Parameters    # obs. used (total)      353      data-arc span      16668 days (45.63 yr)      first obs. used      1973-09-19      last obs. used      2019-05-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53406      source      ORB      producer      Otto Matic      solution date      2019-May-30 06:55:21   Additional Information  Earth MOID = .75529 au   Jupiter MOID = 2.40102 au   T_jup = 3.524  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.7   n/a MPO475036   118063 (4259 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  4259 T-2 = 1998 QB101  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-29 18:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin