+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11030 (1988 PK) Classification: Main-belt Asteroid          SPK-ID: 2011030 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2376929265884583 3.7167e-08   a 2.418021260594744 7.3308e-09 au q 1.843274710610866 9.0429e-08 au i 4.103694706086031 4.1978e-06 deg node 163.5920138441072 5.4743e-05 deg peri 175.5700810328869 5.526e-05 deg M 157.4759675931822 8.254e-06 deg tp 2458399.740863680934 (2018-Oct-08.24086368) 3.065e-05 TDB period 1373.373298671048 3.76 6.2455e-06 1.71e-08 d yr n .2621282941414078 1.1921e-09 deg/d Q 2.992767810578622 9.0732e-09 au   Orbit Determination Parameters    # obs. used (total)      1509      data-arc span      11575 days (31.69 yr)      first obs. used      1988-08-11      last obs. used      2020-04-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50942      source      ORB      producer      Otto Matic      solution date      2020-May-20 03:28:32   Additional Information  Earth MOID = .834526 au   Jupiter MOID = 2.40912 au   T_jup = 3.473  [ 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 14.8   n/a MPO365382   diameter diameter 2.448 km 0.475 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.287   0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11030 (1988 PK)          Discovered 1988-Aug-13 by McNaught, R. H. at Siding Spring Reference: 19990728/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1988 PK = 1991 FB5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-23 22:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin