+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   13084 Virchow (1992 GC8) Classification: Main-belt Asteroid          SPK-ID: 2013084 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04888827035592906 3.4078e-08   a 2.62390646334093 1.0559e-08 au q 2.49562821477245 8.7539e-08 au i 5.831999866732018 3.413e-06 deg node 95.9622120070995 3.4514e-05 deg peri 204.4538120606101 5.1665e-05 deg M 179.524179737128 3.9421e-05 deg tp 2458426.320974233573 (2018-Nov-03.82097423) 0.00016902 TDB period 1552.461900586386 4.25 9.3714e-06 2.566e-08 d yr n .2318897487043148 1.3998e-09 deg/d Q 2.752184711909411 1.1076e-08 au   Orbit Determination Parameters    # obs. used (total)      2020      data-arc span      11464 days (31.39 yr)      first obs. used      1989-09-02      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49434      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:09:46   Additional Information  Earth MOID = 1.47911 au   Jupiter MOID = 2.34697 au   T_jup = 3.394  [ 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 13.80   n/a E2021B10   diameter diameter 10.355 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.057   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   13084 Virchow           Discovered 1992 Apr. 2 by F. Borngen at Tautenburg. German pathologist Rudolf Virchow (1821-1902) was the founder of cellular pathology and a pioneer in modern anthropology and prehistoric research. He also promoted public health care. His textbook Handbuch der speziellen Pathologie und Therapie explored new paths. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20000726/MPCPages.arc Last Updated: 2013-03-29 Alternate Designations  1992 GC8 = 1998 VH30  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Feb-27 04:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin