+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101530 (1998 XO97) Classification: Main-belt Asteroid          SPK-ID: 2101530 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1606783434482255 4.3126e-08   a 2.430592302149173 1.0745e-08 au q 2.040048757441835 1.0613e-07 au i 4.02185552835124 4.5283e-06 deg node 76.8811801091158 6.5085e-05 deg peri 340.7080479587235 6.6585e-05 deg M 248.9747462067412 1.5222e-05 deg tp 2459427.360410703141 (2021-Jul-31.86041070) 6.0004e-05 TDB period 1384.097244571767 3.79 9.1785e-06 2.513e-08 d yr n .2600973316086489 1.7248e-09 deg/d Q 2.821135846856511 1.2472e-08 au   Orbit Determination Parameters    # obs. used (total)      526      data-arc span      10460 days (28.64 yr)      first obs. used      1992-02-27      last obs. used      2020-10-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53843      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:00:02   Additional Information  Earth MOID = 1.05278 au   Jupiter MOID = 2.50866 au   T_jup = 3.487  [ hide covariance matrix ] Orbital Elements at Epoch 2457553.5 (2016-Jun-14.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1624290872299973 4.3277e-08   q 2.033795927333867 1.0668e-07 au tp 2458043.814247918050 (2017-Oct-17.31424792) 5.4706e-05 TDB node 76.89257660875305 6.5042e-05 deg peri 340.6829664326457 6.6502e-05 deg i 4.024870418896398 4.5332e-06 deg   Orbit Determination Parameters    # obs. used (total)      526      data-arc span      10460 days (28.64 yr)      first obs. used      1992-02-27      last obs. used      2020-10-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53843      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:00:02   Additional Information  Jupiter MOID = 2.50866 au   T_jup = 3.487  Orbit Covariance (6×6)   e q tp node peri i e 1.872899221048563E-15 -4.601051299459485E-15 -5.304427428658663E-13 6.130337102415774E-15 -1.383367450645284E-13 7.630780999064459E-16 q -4.601051299459485E-15 1.138108147855001E-14 1.493246544251402E-12 -1.751181744750304E-14 3.808295737992163E-13 -1.59351936817887E-15 tp -5.304427428658663E-13 1.493246544251402E-12 2.992760842105963E-9 -2.55676680320052E-11 7.784815877389987E-10 9.5766858216154E-13 node 6.130337102415774E-15 -1.751181744750304E-14 -2.55676680320052E-11 4.230506381949083E-9 -4.225937429655295E-9 -6.206191893165686E-11 peri -1.383367450645284E-13 3.808295737992163E-13 7.784815877389987E-10 -4.225937429655295E-9 4.422521238359903E-9 6.212543773767906E-11 i 7.630780999064459E-16 -1.59351936817887E-15 9.5766858216154E-13 -6.206191893165686E-11 6.212543773767906E-11 2.054965318900098E-11 [ 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 16.2   n/a MPO337993   101530 (1998 XO97)          Discovered 1998-Dec-08 by LONEOS at Anderson Mesa Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 XO97 = 2002 XB10  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 04:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin