+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20818 Karmadiraju (2000 TQ54) Classification: Main-belt Asteroid          SPK-ID: 2020818 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07998611533828588 4.932e-08   a 3.123892416068671 1.9234e-08 au q 2.874024396972605 1.5598e-07 au i 1.470054784452405 5.1899e-06 deg node 48.84847866792418 0.00015872 deg peri 171.4890601464839 0.00016133 deg M 10.34879452541144 2.6756e-05 deg tp 2458942.526463580014 (2020-Apr-03.02646358) 0.0001501 TDB period 2016.705719680436 5.52 1.8626e-05 5.1e-08 d yr n .1785089398452467 1.6486e-09 deg/d Q 3.373760435164736 2.0773e-08 au   Orbit Determination Parameters    # obs. used (total)      1203      data-arc span      10336 days (28.30 yr)      first obs. used      1992-04-03      last obs. used      2020-07-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54002      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:00:29   Additional Information  Earth MOID = 1.86583 au   Jupiter MOID = 1.59646 au   T_jup = 3.210  [ 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 14.3   n/a MPO435893   diameter diameter 7.645 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.044   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   20818 Karmadiraju           Discovered 2000 Oct. 1 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Kartik Madiraju (b. 1989) was awarded second place in the 2004 Intel International Science and Engineering Fair for his environmental science project. He attends the Centennial Regional High School, Greenfield Park, Quebec, Canada. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20041226/MPCPages.arc Last Updated: 2004-12-25 [ show close-approach data ] Alternate Designations  2000 TQ54 = 1992 GF1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-16 10:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin