+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78248 (2002 PY5) Classification: Outer Main-belt Asteroid          SPK-ID: 2078248 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0478664945911151 4.2198e-08   a 3.236163563450497 2.7815e-08 au q 3.08125975774463 1.388e-07 au i 12.57813666419396 5.9976e-06 deg node 211.4524892343028 2.0329e-05 deg peri 40.16462508709576 6.8673e-05 deg M 126.6938319174987 6.7497e-05 deg tp 2458452.163215384970 (2018-Nov-29.66321538) 0.00039648 TDB period 2126.395881978226 5.82 2.7415e-05 7.506e-08 d yr n .1693005536039156 2.1827e-09 deg/d Q 3.391067369156364 2.9147e-08 au   Orbit Determination Parameters    # obs. used (total)      505      data-arc span      8498 days (23.27 yr)      first obs. used      1997-09-30      last obs. used      2021-01-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57139      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 07:14:20   Additional Information  Earth MOID = 2.07856 au   Jupiter MOID = 1.61211 au   T_jup = 3.146  [ 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 14.95   n/a E2021B10   diameter diameter 6.353 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78248 (2002 PY5)          Discovered 2002-Aug-04 by NEAT at Palomar Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 PY5 = 1997 SY24 = 2001 KT18  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-26 10:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin