+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26275 Jefsoulier (1998 SN1) Classification: Main-belt Asteroid          SPK-ID: 2026275 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1047009387041028 4.1787e-08   a 2.529713111004373 1.176e-08 au q 2.264849773630139 1.0672e-07 au i 7.065790231544693 4.2869e-06 deg node 191.5723082132739 3.115e-05 deg peri 48.56894896536232 3.5119e-05 deg M 275.3819304121491 1.7202e-05 deg tp 2459345.934688318071 (2021-May-11.43468832) 7.0539e-05 TDB period 1469.620949759412 4.02 1.0248e-05 2.806e-08 d yr n .2449611241993622 1.7081e-09 deg/d Q 2.794576448378608 1.2991e-08 au   Orbit Determination Parameters    # obs. used (total)      1509      data-arc span      11757 days (32.19 yr)      first obs. used      1988-03-10      last obs. used      2020-05-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50176      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:29:51   Additional Information  Earth MOID = 1.26041 au   Jupiter MOID = 2.20871 au   T_jup = 3.433  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.3   n/a MPO319410   diameter diameter 3.284 km 0.587 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.375   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   26275 Jefsoulier           Discovered 1998 Sept. 16 by ODAS at Caussols. Jean Frančois Soulier (b. 1966) is a specialized educator and dedicated comet observer who has been an amateur astronomer since a very early age. In 2008 he founded the association "des étoiles pour tous" ("stars for all") which aims to bring astronomy to handicapped persons. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2014-01-16 Last Updated: 2014-01-21 [ show close-approach data ] Alternate Designations  1998 SN1 = 2000 AE185  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 22:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin