+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78548 (2002 RM126) Classification: Main-belt Asteroid          SPK-ID: 2078548 [ 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 .1849443160761995 8.458e-08   a 2.567368215915607 1.8355e-08 au q 2.092548057107323 2.0618e-07 au i 6.012897335039696 5.4629e-06 deg node 56.67598205384619 4.6577e-05 deg peri 300.5095979416621 4.9048e-05 deg M 96.99134166195969 2.1898e-05 deg tp 2458595.680770936439 (2019-Apr-22.18077094) 8.8671e-05 TDB period 1502.556001037766 4.11 1.6113e-05 4.411e-08 d yr n .239591735516919 2.5693e-09 deg/d Q 3.042188374723891 2.1749e-08 au   Orbit Determination Parameters    # obs. used (total)      555      data-arc span      7845 days (21.48 yr)      first obs. used      1998-08-26      last obs. used      2020-02-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52356      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:26:27   Additional Information  Earth MOID = 1.09665 au   Jupiter MOID = 2.42312 au   T_jup = 3.400  [ 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 15.1   n/a MPO453206   diameter diameter 2.573 km 0.772 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.243   0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78548 (2002 RM126)          Discovered 2002-Sep-09 by NEAT at Palomar Reference: 20040415/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 1961-Nov-05 12:31 00:01 Juno 0.0495724318072334 0.0495535763698979 0.0495912882870334 7.47041052907781 7.47041049622585 2437609.021737499 1.19650138179551 1006.12570122321 46.6011934741807 20.9135306650053 57202.2977744379 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 21:26:28 2020-Nov-12 21:26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 05:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin