+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102425 (1999 TN194) Classification: Main-belt Asteroid          SPK-ID: 2102425 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ 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 .1935974544192652 4.1209e-08   a 2.391871689204209 1.2845e-08 au q 1.928811418876767 1.0286e-07 au i 6.846895558514885 4.4361e-06 deg node 287.3625972494184 3.7239e-05 deg peri 35.46633902136534 3.9481e-05 deg M 313.0274901187352 1.6562e-05 deg tp 2459376.797644674849 (2021-Jun-11.29764467) 6.3167e-05 TDB period 1351.155223414191 3.70 1.0884e-05 2.98e-08 d yr n .2664386694893037 2.1462e-09 deg/d Q 2.854931959531652 1.5331e-08 au   Orbit Determination Parameters    # obs. used (total)      516      data-arc span      7524 days (20.60 yr)      first obs. used      1999-10-12      last obs. used      2020-05-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54145      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:54:51   Additional Information  Earth MOID = .918735 au   Jupiter MOID = 2.46733 au   T_jup = 3.496  [ 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 15.96   n/a E2021B55   diameter diameter 1.937 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.225   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   102425 (1999 TN194)          Discovered 1999-Oct-12 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 TN194 = 2003 YM35  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-05 02:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin