+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100271 (1994 VP1) Classification: Main-belt Asteroid          SPK-ID: 2100271 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ 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 .177101985683267 2.6772e-08   a 2.567424138911122 1.1331e-08 au q 2.11272822581881 6.601e-08 au i 6.979694529998937 3.1657e-06 deg node 252.3477215528851 4.0398e-05 deg peri 160.7586664653805 4.3354e-05 deg M 126.7203335442334 1.7646e-05 deg tp 2458671.581614439463 (2019-Jul-07.08161444) 7.1926e-05 TDB period 1502.605094827406 4.11 9.9476e-06 2.724e-08 d yr n .2395839074679503 1.5861e-09 deg/d Q 3.022120052003433 1.3338e-08 au   Orbit Determination Parameters    # obs. used (total)      916      data-arc span      9332 days (25.55 yr)      first obs. used      1994-11-03      last obs. used      2020-05-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52785      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:07:05   Additional Information  Earth MOID = 1.12487 au   Jupiter MOID = 2.33827 au   T_jup = 3.399  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.43   n/a E2021B55   diameter diameter 2.476 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.263   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100271 (1994 VP1)          Discovered 1994-Nov-03 by Kobayashi, T. at Oizumi Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1994 VP1 = 1998 VM37  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-05 16:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin