+ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2376929265063932 3.7165e-08   a 2.41802126061305 7.3285e-09 au q 1.843274710823256 9.0423e-08 au i 4.103694699968393 4.1977e-06 deg node 163.5920133718447 5.4682e-05 deg peri 175.5700814236616 5.5197e-05 deg M 157.4759676379797 8.2516e-06 deg tp 2458399.740863503213 (2018-Oct-08.24086350) 3.0639e-05 TDB period 1373.373298686644 3.76 6.2436e-06 1.709e-08 d yr n .262128294138431 1.1917e-09 deg/d Q 2.992767810402844 9.0705e-09 au   Orbit Determination Parameters    # obs. used (total)      1515      data-arc span      11606 days (31.78 yr)      first obs. used      1988-08-11      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50948      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:02:18   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 ] 2021-Jan-15 19:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin