+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   22729 Anthennig (1998 SV110) Classification: Main-belt Asteroid          SPK-ID: 2022729 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08358878406099716 3.1626e-08   a 2.300196789925867 7.1568e-09 au q 2.107926137154955 7.3926e-08 au i 6.89541166529968 4.7153e-06 deg node 2.317364309923842 2.7058e-05 deg peri 115.3954243130119 4.069e-05 deg M 38.47646852511227 2.9009e-05 deg tp 2459064.312069599879 (2020-Aug-02.81206960) 0.00010268 TDB period 1274.224398012121 3.49 5.9469e-06 1.628e-08 d yr n .2825248053338368 1.3186e-09 deg/d Q 2.492467442696779 7.755e-09 au   Orbit Determination Parameters    # obs. used (total)      1349      data-arc span      10749 days (29.43 yr)      first obs. used      1991-10-10      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52378      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 04:10:47   Additional Information  Earth MOID = 1.13406 au   Jupiter MOID = 2.55579 au   T_jup = 3.578  [ 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 15.3   n/a MPO452490   diameter diameter 2.095 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.335   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   22729 Anthennig           Discovered 1998 Sept. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Anthony Ian Hennig (b. 1993) is a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his physical science project. He attends the Powhatan Junior High School, Powhatan, Virginia. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20061009/MPCPages.arc Last Updated: 2006-10-14 Alternate Designations  1998 SV110 = 1998 SN164 = 2000 EH25  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-22 15:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin