+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   215028 (2009 BO112) Classification: Main-belt Asteroid          SPK-ID: 2215028 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09581581295058869 4.051e-08   a 2.365836780880014 1.4125e-08 au q 2.139152206411592 1.0094e-07 au i 6.857239298634603 4.741e-06 deg node 158.4817756868094 3.7255e-05 deg peri 98.61101452588265 4.6762e-05 deg M 325.1127626073677 2.6613e-05 deg tp 2459129.307062345282 (2020-Oct-06.80706235) 9.8303e-05 TDB period 1329.154897604308 3.64 1.1903e-05 3.259e-08 d yr n .2708487932060215 2.4256e-09 deg/d Q 2.592521355348437 1.5478e-08 au   Orbit Determination Parameters    # obs. used (total)      240      data-arc span      8558 days (23.43 yr)      first obs. used      1996-12-12      last obs. used      2020-05-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48952      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 03:44:29   Additional Information  Earth MOID = 1.13727 au   Jupiter MOID = 2.45869 au   T_jup = 3.532  [ hide covariance matrix ] Orbital Elements at Epoch 2457496.5 (2016-Apr-18.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09608344605620336 4.0513e-08   q 2.139454385319905 1.0106e-07 au tp 2457798.014817439566 (2017-Feb-13.51481744) 9.8085e-05 TDB node 158.5017244476248 3.7244e-05 deg peri 98.10347163405611 4.6685e-05 deg i 6.857355165544901 4.7412e-06 deg   Orbit Determination Parameters    # obs. used (total)      240      data-arc span      8558 days (23.43 yr)      first obs. used      1996-12-12      last obs. used      2020-05-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48952      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 03:44:29   Additional Information  Jupiter MOID = 2.45869 au   T_jup = 3.532  Orbit Covariance (6×6)   e q tp node peri i e 1.641285606760156E-15 -4.065070758414361E-15 -6.28457065072358E-13 -6.340319744449566E-16 -1.275736349014552E-13 -4.863095886869363E-15 q -4.065070758414361E-15 1.021246904004159E-14 1.406909069486502E-12 2.976407770974432E-16 2.661320175691483E-13 1.259494462453355E-14 tp -6.28457065072358E-13 1.406909069486502E-12 9.620736530084317E-9 -1.859664883097086E-11 2.776519728807743E-9 4.943608141466202E-12 node -6.340319744449566E-16 2.976407770974432E-16 -1.859664883097086E-11 1.38712423099471E-9 -1.381920991196536E-9 5.444191234704423E-11 peri -1.275736349014552E-13 2.661320175691483E-13 2.776519728807743E-9 -1.381920991196536E-9 2.179468768089396E-9 -5.281241643587125E-11 i -4.863095886869363E-15 1.259494462453355E-14 4.943608141466202E-12 5.444191234704423E-11 -5.281241643587125E-11 2.247935178447507E-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 17.1   n/a MPO422838   215028 (2009 BO112)          Discovered 2009-Jan-31 by Mt. Lemmon Survey at Mount Lemmon Reference: 20090509/Numbers.arc Last Updated: 2009-05-11 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 16:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin