+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11901 (1991 PV11) Classification: Main-belt Asteroid          SPK-ID: 2011901 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1602228996696569 6.4313e-08   a 2.416716775872568 2.6706e-08 AU q 2.029503406361961 1.5932e-07 AU i 13.08906213090525 9.6702e-06 deg node 147.0444862806558 3.1198e-05 deg peri 94.48190347857455 4.4954e-05 deg M 355.6062911935766 3.4378e-05 deg tp 2456417.248111051558 (2013-May-04.74811105) 0.00013115 JED period 1372.262078394048 3.76 2.2747e-05 6.228e-08 d yr n .2623405584604555 4.3486e-09 deg/d Q 2.803930145383175 3.0985e-08 AU   Orbit Determination Parameters    # obs. used (total)      883      data-arc span      8438 days (23.10 yr)      first obs. used      1990-03-17      last obs. used      2013-04-23      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .54345      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:46:30   Additional Information  Earth MOID = 1.06724 AU   T_jup = 3.464  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.6 mag n/a PDS3 (MPC 36246)   11901 (1991 PV11)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar (675) Reference: 19991026/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 PV11 = 1990 FG5 = 1998 MR9  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 01:20 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin