+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1077 Campanula (1926 TK) Classification: Main-belt Asteroid          SPK-ID: 2001077 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1972026091422995 4.0427e-08   a 2.392608368826871 6.824e-09 au q 1.920779755838511 9.5338e-08 au i 5.391500037764006 3.9218e-06 deg node 346.115671824274 3.9974e-05 deg peri 13.91006917282136 4.1202e-05 deg M 124.3574573076575 1.2578e-05 deg tp 2458533.544832417964 (2019-Feb-19.04483242) 4.6161e-05 TDB period 1351.779490904578 3.70 5.7831e-06 1.583e-08 d yr n .2663156250129943 1.1393e-09 deg/d Q 2.864436981815232 8.1697e-09 au   Orbit Determination Parameters    # obs. used (total)      2592      data-arc span      34375 days (94.11 yr)      first obs. used      1926-10-06      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45133      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 19:37:01   Additional Information  Earth MOID = .917773 au   Jupiter MOID = 2.58868 au   T_jup = 3.498  [ show covariance matrix ] [ 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 12.3   n/a MPO347523   diameter diameter 9.709 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 3.85085 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm] [Aymami, J.M. (2012) Minor Planet Bull. 39, 29.] [Franco, L.; Ferrero, A. (2012) Minor Planet Bull. 39, 67-69.] [Stephens, R.D. (2012) Minor Planet Bull. 39, 11-12.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] [Klinglesmith III, D.A.; Hendrickx, S.; Madden, K.; Montgomery, S. (2016) Minor Planet Bull. 43, 234-239.] geometric albedo albedo 0.225   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   1077 Campanula (1926 TK)          Discovered 1926-Oct-06 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1926 TK = 1957 AJ = 1972 CB  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 06:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin