+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187700 Zagreb (2008 EG8) Classification: Main-belt Asteroid          SPK-ID: 2187700 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09640422370151977 4.5153e-08   a 2.684455130362476 2.07e-08 au q 2.425662317458319 1.2805e-07 au i 4.151417733057668 5.2361e-06 deg node 203.3730146818787 6.3478e-05 deg peri 34.64661942465708 6.9859e-05 deg M 269.2153708607597 3.1653e-05 deg tp 2459605.628199448587 (2022-Jan-26.12819945) 0.00014318 TDB period 1606.507105710604 4.40 1.8582e-05 5.087e-08 d yr n .2240886446877942 2.5919e-09 deg/d Q 2.943247943266632 2.2696e-08 au   Orbit Determination Parameters    # obs. used (total)      275      data-arc span      7085 days (19.40 yr)      first obs. used      2001-10-18      last obs. used      2021-03-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .60488      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:56:29   Additional Information  Earth MOID = 1.41383 au   Jupiter MOID = 2.05037 au   T_jup = 3.364  [ 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 MPO454293   187700 Zagreb           Discovered 2008 Mar. 2 at the Observatorio de La Sagra. Zagreb is the capital and the largest city of Croatia. It is the country's cultural, scientific, economic and governmental center, situated on the river Sava to the south of Medvednica mountain, in the southwestern part of the Pannonian Basin. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20090409/MPCPages.arc Last Updated: 2009-04-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-23 06:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin