+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58603 (1997 TM25) Classification: Main-belt Asteroid          SPK-ID: 2058603 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2409150085200391 5.1932e-08   a 2.263317102572351 1.048e-08 au q 1.718050043522583 1.1899e-07 au i 7.130026721652635 5.2751e-06 deg node 35.74936433201822 3.0435e-05 deg peri 321.5272796819013 3.1281e-05 deg M 243.606558554525 9.2297e-06 deg tp 2459402.607842224181 (2021-Jul-07.10784222) 3.384e-05 TDB period 1243.702578108906 3.41 8.6381e-06 2.365e-08 d yr n .289458272690399 2.0104e-09 deg/d Q 2.808584161622119 1.3005e-08 au   Orbit Determination Parameters    # obs. used (total)      702      data-arc span      16098 days (44.07 yr)      first obs. used      1976-05-27      last obs. used      2020-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57642      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 22:50:29   Additional Information  Earth MOID = .721609 au   Jupiter MOID = 2.65135 au   T_jup = 3.569  [ 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 15.8   n/a MPO468486   diameter diameter 3.828 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.069   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   58603 (1997 TM25)          Discovered 1997-Oct-11 by BAO Schmidt CCD Asteroid Program at Xinglong Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2069-Jul-13 21:56 < 00:01 Iris 0.0379303221861921 0.0379227785150952 0.03793787145267 5.98980146405777 5.98980143875465 2476941.414049982 0.48377089638726 821.547181237277 39.6620283820178 -62.8768296570565 127338.851417549 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 22:50:31 2020-Nov-12 22:50 Alternate Designations  1997 TM25 = 1988 AN2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 17:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin