+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   21470 Frankchuang (1998 HV97) Classification: Main-belt Asteroid          SPK-ID: 2021470 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2654358648686502 3.4371e-08   a 2.608765769666034 7.0133e-09 au q 1.916305771355 8.8374e-08 au i 3.89648505924332 3.1944e-06 deg node 316.3123482734717 6.5871e-05 deg peri 23.13944807759457 6.6233e-05 deg M 43.12213917309199 7.8123e-06 deg tp 2459016.147575320368 (2020-Jun-15.64757532) 3.3146e-05 TDB period 1539.044077063786 4.21 6.2063e-06 1.699e-08 d yr n .233911429415858 9.4326e-10 deg/d Q 3.301225767977067 8.8749e-09 au   Orbit Determination Parameters    # obs. used (total)      1864      data-arc span      12630 days (34.58 yr)      first obs. used      1986-08-08      last obs. used      2021-03-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47913      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:46:00   Additional Information  Earth MOID = .906338 au   Jupiter MOID = 2.10703 au   T_jup = 3.357  [ 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 14.44   n/a E2021B10   21470 Frankchuang           Discovered 1998 Apr. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Frank Fu-Han Chuang (b. 1988) was awarded first place in the 2006 Intel International Science and Engineering Fair for his computer science team project. He also received the MILSET Expo-Science Award. He attends the Monta Vista High School, Cupertino, California, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060711/MPCPages.arc Last Updated: 2006-07-17 [ show close-approach data ] Alternate Designations  1998 HV97 = 1986 PD3 = 1997 EN45  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-16 12:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin