+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101446 (1998 VY47) Classification: Main-belt Asteroid          SPK-ID: 2101446 [ 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 .05365516310558906 3.9236e-08   a 2.750912603519291 1.5956e-08 au q 2.603311939088243 1.0649e-07 au i 5.12592391218595 3.5516e-06 deg node 225.4691127968557 4.4713e-05 deg peri 286.7186886359336 5.8363e-05 deg M 206.4342315611751 4.0214e-05 deg tp 2459911.395120031193 (2022-Nov-27.89512003) 0.00018889 TDB period 1666.531843736905 4.56 1.4499e-05 3.97e-08 d yr n .2160174744652722 1.8794e-09 deg/d Q 2.89851326795034 1.6812e-08 au   Orbit Determination Parameters    # obs. used (total)      616      data-arc span      8939 days (24.47 yr)      first obs. used      1996-05-19      last obs. used      2020-11-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55206      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:36:49   Additional Information  Earth MOID = 1.61863 au   Jupiter MOID = 2.10469 au   T_jup = 3.338  [ 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 15.60   n/a E2021B55   diameter diameter 3.956 km 0.534 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.078   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101446 (1998 VY47)          Discovered 1998-Nov-15 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 VY47 = 1996 KL7  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 12:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin