+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   22511 (1997 YC10) Classification: Main-belt Asteroid          SPK-ID: 2022511 [ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07343029449779288 3.6879e-08   a 2.587968360160722 1.0354e-08 au q 2.39793308132315 9.4115e-08 au i 1.844157159335712 4.0981e-06 deg node 215.2465076441767 0.00013147 deg peri 266.7424498891275 0.00013528 deg M 171.9583472973025 3.1316e-05 deg tp 2458474.130446151135 (2018-Dec-21.63044615) 0.00013145 TDB period 1520.676626029038 4.16 9.126e-06 2.499e-08 d yr n .2367367222182356 1.4207e-09 deg/d Q 2.778003638998294 1.1114e-08 au   Orbit Determination Parameters    # obs. used (total)      1345      data-arc span      10207 days (27.95 yr)      first obs. used      1992-09-29      last obs. used      2020-09-09      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53875      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 04:07:11   Additional Information  Earth MOID = 1.41445 au   Jupiter MOID = 2.26397 au   T_jup = 3.417  [ 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 14.98   n/a E2021B10   diameter diameter 2.961 km 0.411 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.266   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   22511 (1997 YC10)          Discovered 1997-Dec-28 by Kobayashi, T. at Oizumi Reference: 20010309/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1997 YC10 = 1999 JJ112  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 03:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin