+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   607 Jenny (A906 SH) Classification: Main-belt Asteroid          SPK-ID: 2000607 [ 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 87 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07353557968365781 1.0404e-08   a 2.853390337117889 9.4381e-09 au q 2.643564624614177 2.682e-08 au i 10.10962680960721 2.8623e-07 deg node 285.248129294757 3.9628e-06 deg peri 291.1762536843794 1.6808e-05 deg M 42.85505782182912 1.4561e-05 deg tp 2458990.924847527477 (2020-May-21.42484753) 7.1429e-05 TDB period 1760.516931368544 4.82 8.7349e-06 2.391e-08 d yr n .2044853949346302 1.0146e-09 deg/d Q 3.063216049621601 1.0132e-08 au   Orbit Determination Parameters    # obs. used (total)      2847      data-arc span      41664 days (114.07 yr)      first obs. used      1906-09-18      last obs. used      2020-10-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .40883      source      ORB      producer      Otto Matic      solution date      2021-May-03 18:39:22   Additional Information  Earth MOID = 1.65419 au   Jupiter MOID = 2.04083 au   T_jup = 3.278  [ 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 9.98   n/a E2021B10   diameter diameter 67.520 km 1.917 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 8.521 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Warner, B.D. (2008) Minor Planet Bull. 35, 56-60.] [Warner, B.D. (2011) Minor Planet Bull. 38, 96-101.] [Stephens, R.D. (2014) Minor Planet Bull. 41, 92-95.] [Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Stephens, Robert D.; Warner, Brian D. (2018) Minor Planet Bull. 45, 168-171.] geometric albedo albedo 0.039   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   607 Jenny (A906 SH)          Discovered 1906-Sep-18 by Kopff, A. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  A906 SH = 1940 TH = 1948 JD  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-May-08 21:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin