+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120618 (1995 YD5) Classification: Outer Main-belt Asteroid          SPK-ID: 2120618 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2717150397724437 3.7381e-08   a 3.965353518210738 3.4658e-08 au q 2.887907329298308 1.4781e-07 au i 3.917134642462044 5.0709e-06 deg node 84.70107188051912 6.6364e-05 deg peri 260.1055187041993 6.7002e-05 deg M 96.58813720861114 9.6171e-06 deg tp 2458426.675307650602 (2018-Nov-04.17530765) 7.1492e-05 TDB period 2884.172914983468 7.90 3.7812e-05 1.035e-07 d yr n .1248191459429413 1.6364e-09 deg/d Q 5.042799707123168 4.4075e-08 au   Orbit Determination Parameters    # obs. used (total)      676      data-arc span      9166 days (25.10 yr)      first obs. used      1995-12-16      last obs. used      2021-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55765      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:25:30   Additional Information  Earth MOID = 1.88227 au   Jupiter MOID = .453585 au   T_jup = 2.989  [ 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 14.10   n/a E2021B55   diameter diameter 9.723 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)   geometric albedo albedo 0.051   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)   120618 (1995 YD5)          Discovered 1995-Dec-16 by Spacewatch at Kitt Peak Reference: 20060314/Numbers.arc Last Updated: 2006-03-23 [ show close-approach data ] Alternate Designations  1995 YD5 = 2002 PV52  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-07 07:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin