+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58316 (1994 PR30) Classification: Main-belt Asteroid          SPK-ID: 2058316 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1884608842178976 4.9226e-08   a 2.34263733525253 9.1833e-09 au q 1.901141831648979 1.1851e-07 au i 6.018450455724755 5.4258e-06 deg node 176.3819096645674 3.7276e-05 deg peri 200.0777498318084 3.9331e-05 deg M 94.74199871130014 1.3495e-05 deg tp 2458855.835892525597 (2020-Jan-07.33589253) 4.8192e-05 TDB period 1309.652322924722 3.59 7.7009e-06 2.108e-08 d yr n .2748821146638722 1.6163e-09 deg/d Q 2.784132838856082 1.0914e-08 au   Orbit Determination Parameters    # obs. used (total)      549      data-arc span      9657 days (26.44 yr)      first obs. used      1994-08-12      last obs. used      2021-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56907      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 05:43:02   Additional Information  Earth MOID = .902023 au   Jupiter MOID = 2.67986 au   T_jup = 3.532  [ 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 16.4   n/a MPO344730   58316 (1994 PR30)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-01 21:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin