+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78528 (2002 RO98) Classification: Outer Main-belt Asteroid          SPK-ID: 2078528 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1301287459670221 4.2103e-08   a 3.20613578206314 2.4722e-08 au q 2.788925353343266 1.4287e-07 au i 5.383093572372154 5.2263e-06 deg node 164.3763057748035 4.3709e-05 deg peri 236.9194449139843 4.7555e-05 deg M 3.289004278087197 1.7878e-05 deg tp 2458981.342747162312 (2020-May-11.84274716) 0.00010409 TDB period 2096.868972629746 5.74 2.4253e-05 6.64e-08 d yr n .171684547150561 1.9857e-09 deg/d Q 3.623346210783014 2.7939e-08 au   Orbit Determination Parameters    # obs. used (total)      715      data-arc span      8760 days (23.98 yr)      first obs. used      1996-10-05      last obs. used      2020-09-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54721      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:26:31   Additional Information  Earth MOID = 1.80162 au   Jupiter MOID = 1.80959 au   T_jup = 3.173  [ 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 14.5   n/a MPO417367   diameter diameter 6.123 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.068   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78528 (2002 RO98)          Discovered 2002-Sep-05 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 RO98 = 1996 TY53 = 1999 CS135  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-27 14:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin