+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1053 Vigdis (1925 WA) Classification: Main-belt Asteroid          SPK-ID: 2001053 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09689512049816452 2.0657e-08   a 2.613823318625556 7.4165e-09 au q 2.36055659320642 5.2655e-08 au i 8.340894646062969 5.6721e-07 deg node 17.57690577153696 3.684e-06 deg peri 42.12377856070947 9.8527e-06 deg M 153.6964466060583 8.0794e-06 deg tp 2458541.517175900361 (2019-Feb-27.01717590) 3.4225e-05 TDB period 1543.521804924533 4.23 6.5694e-06 1.799e-08 d yr n .2332328567380371 9.9266e-10 deg/d Q 2.867090044044691 8.1351e-09 au   Orbit Determination Parameters    # obs. used (total)      2832      data-arc span      34791 days (95.25 yr)      first obs. used      1925-11-16      last obs. used      2021-02-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .42689      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 11:54:25   Additional Information  Earth MOID = 1.37848 au   Jupiter MOID = 2.44207 au   T_jup = 3.387  [ 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 12.31   n/a E2021B10   diameter diameter 9.110 km 1.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.389   0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   1053 Vigdis (1925 WA)          Discovered 1925-Nov-16 by Wolf, M. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1930-Apr-26 16:48 00:04 Amphi 0.02661510192071 0.0266068528921834 0.026623350998436 1.26742763424711 1.26742746382664 2426093.200270353 4.15517490887692 413.452364799281 21.805121775433 8.03077931821655 27092.8206591211 T 36 CATAB v2.0f-lin.ifort 2021-Apr-12 11:55:13 2021-Apr-12 11:55 2048-Sep-28 16:51 00:03 Amphi 0.011831480699719 0.011826367238271 0.0118365944760588 1.24630962191955 1.24630923206011 2469348.201873580 3.24468095135035 271.281042231173 20.9297293912475 -20.8139464357276 30498.4777191622 T 36 CATAB v2.0f-lin.ifort 2021-Apr-12 11:55:13 2021-Apr-12 11:55 Alternate Designations  1925 WA = 1929 RM  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 22:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin