+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120270 (2004 GW80) Classification: Main-belt Asteroid          SPK-ID: 2120270 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1465894296534872 5.5924e-08   a 2.193776606838595 7.3192e-09 au q 1.872192145254963 1.222e-07 au i 5.89729712581148 6.2604e-06 deg node 176.4022452845264 3.3978e-05 deg peri 160.2553232577604 3.7528e-05 deg M 263.0631182854799 1.6601e-05 deg tp 2459520.075570510247 (2021-Nov-01.57557051) 5.5337e-05 TDB period 1186.825936102463 3.25 5.9395e-06 1.626e-08 d yr n .3033300748231373 1.518e-09 deg/d Q 2.515361068422227 8.3921e-09 au   Orbit Determination Parameters    # obs. used (total)      452      data-arc span      10073 days (27.58 yr)      first obs. used      1992-09-23      last obs. used      2020-04-22      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4969      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 17:05:41   Additional Information  Earth MOID = .862424 au   Jupiter MOID = 2.85238 au   T_jup = 3.650  [ 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 17.21   n/a E2021B55   120270 (2004 GW80)          Discovered 2004-Apr-13 by Spacewatch at Kitt Peak Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-21 15:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin