+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187962 (2001 PB36) Classification: Main-belt Asteroid          SPK-ID: 2187962 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2434384194445482 4.3275e-08   a 2.404265657016199 1.0865e-08 au q 1.818975025547368 1.0044e-07 au i 8.944815128318499 5.4799e-06 deg node 206.3951041205462 2.3044e-05 deg peri 135.8161490332475 2.5832e-05 deg M 59.54641875819697 1.0922e-05 deg tp 2458975.270510350418 (2020-May-05.77051035) 4.0464e-05 TDB period 1361.670743006489 3.73 9.2302e-06 2.527e-08 d yr n .2643810934830994 1.7921e-09 deg/d Q 2.989556288485031 1.351e-08 au   Orbit Determination Parameters    # obs. used (total)      335      data-arc span      7120 days (19.49 yr)      first obs. used      2001-08-11      last obs. used      2021-02-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .58692      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:57:31   Additional Information  Earth MOID = .822535 au   Jupiter MOID = 2.48628 au   T_jup = 3.467  [ 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 17.39   n/a E2021B55   187962 (2001 PB36)          Discovered 2001-Aug-11 by NEAT at Palomar Reference: 20080618/Numbers.arc Last Updated: 2008-06-20 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-15 00:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin