+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   85425 (1997 AM3) Classification: Main-belt Asteroid          SPK-ID: 2085425 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1130008463461513 3.4025e-08   a 2.369406973727506 8.871e-09 au q 2.101661980357824 8.0218e-08 au i 5.057140144566013 4.2564e-06 deg node 109.4623662550696 4.2657e-05 deg peri 83.4927029639738 4.6771e-05 deg M 83.6000850918504 1.9729e-05 deg tp 2458691.141438861807 (2019-Jul-26.64143886) 7.2398e-05 TDB period 1332.164696810888 3.65 7.4814e-06 2.048e-08 d yr n .2702368564951583 1.5176e-09 deg/d Q 2.637151967097187 9.8735e-09 au   Orbit Determination Parameters    # obs. used (total)      867      data-arc span      8622 days (23.61 yr)      first obs. used      1996-12-20      last obs. used      2020-07-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50589      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 07:55:56   Additional Information  Earth MOID = 1.10839 au   Jupiter MOID = 2.32941 au   T_jup = 3.532  [ 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 MPO432398   85425 (1997 AM3)          Discovered 1997-Jan-03 by Spacewatch at Kitt Peak Reference: 20040830/Numbers.arc Last Updated: 2004-09-06 [ 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 1966-Feb-22 08:05 < 00:01 Amphi 0.0211096322406535 0.021103659885951 0.021115604898174 4.31572305828453 4.31572299518316 2439178.836907047 0.440114877715167 323.682842401572 37.6460741648696 23.2797989158793 34325.6239763651 T 18 CATAB v2.0f-lin.ifort 2020-Aug-25 07:56:07 2020-Aug-25 07:56 2027-Aug-24 03:35 < 00:01 Thisb 0.0101337293542759 0.0101321278546635 0.0101353314428845 5.28748454688338 5.2874844196338 2461641.648971168 0.391152723113798 158.797573450431 36.8306253458373 -62.6995768065656 36822.6572431328 T 18 CATAB v2.0f-lin.ifort 2020-Aug-25 07:56:07 2020-Aug-25 07:56 2068-Mar-21 14:35 < 00:01 Amphi 0.0186180937529463 0.0186151781471966 0.0186210128102811 4.27595126900005 4.27595119678876 2476462.107887232 0.440049714095086 438.272702945338 37.3549874722186 71.2257911845732 70589.4707712158 T 18 CATAB v2.0f-lin.ifort 2020-Aug-25 07:56:07 2020-Aug-25 07:56 2170-Apr-17 21:28 < 00:01 Amphi 0.0250415715682949 0.0250356208529377 0.0250475431752091 4.28666008890224 4.28666003534818 2513743.394628559 0.433227718727357 1186.98472188928 37.3512153822999 75.6119964877265 97107.432597354 T 18 CATAB v2.0f-lin.ifort 2020-Aug-25 07:56:07 2020-Aug-25 07:56 Alternate Designations  1997 AM3 = 2001 FD63  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-27 02:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin