+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17581 (1994 VE1) Classification: Main-belt Asteroid          SPK-ID: 2017581 [ 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 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1610766657886255 1.8513e-08   a 2.55229057509795 7.3285e-09 au q 2.141176119137439 4.7411e-08 au i 2.454114727912164 6.1108e-07 deg node 170.3779544052721 1.1867e-05 deg peri 193.471406892223 1.2819e-05 deg M 179.3666760877259 5.1658e-06 deg tp 2458458.450526354902 (2018-Dec-05.95052635) 1.9712e-05 TDB period 1489.339136672086 4.08 6.4146e-06 1.756e-08 d yr n .2417179480050572 1.0411e-09 deg/d Q 2.963405031058462 8.509e-09 au   Orbit Determination Parameters    # obs. used (total)      2638      data-arc span      26045 days (71.31 yr)      first obs. used      1949-11-23      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49715      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:07:06   Additional Information  Earth MOID = 1.13738 au   Jupiter MOID = 2.49443 au   T_jup = 3.420  [ 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 13.87   n/a E2021B10   diameter diameter 4.501 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.347   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17581 (1994 VE1)          Discovered 1994-Nov-04 by Kobayashi, T. at Oizumi Reference: 20001013/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1994 VE1 = 1998 TZ5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 09:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin