+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190118 (2004 VR60) Classification: Main-belt Asteroid          SPK-ID: 2190118 [ 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 .2379380792341017 4.9334e-08   a 2.741598869369422 2.4083e-08 au q 2.089268100361276 1.4139e-07 au i 8.262932165475817 5.2129e-06 deg node 62.20642006596184 3.9282e-05 deg peri 271.8080277361349 4.0523e-05 deg M 255.5146691065437 1.1463e-05 deg tp 2459681.734901540162 (2022-Apr-12.23490154) 5.5764e-05 TDB period 1658.075474069331 4.54 2.1848e-05 5.982e-08 d yr n .2171191876546307 2.8609e-09 deg/d Q 3.393929638377567 2.9813e-08 au   Orbit Determination Parameters    # obs. used (total)      351      data-arc span      7837 days (21.46 yr)      first obs. used      1999-09-30      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57935      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:06:17   Additional Information  Earth MOID = 1.09754 au   Jupiter MOID = 2.0604 au   T_jup = 3.293  [ 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 15.91   n/a E2021B55   diameter diameter 4.353 km 0.751 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.041   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   190118 (2004 VR60)          Discovered 2004-Nov-10 by Young, J. W. at Wrightwood Reference: 20080819/Numbers.arc Last Updated: 2008-08-25 [ show close-approach data ] Alternate Designations  2004 VR60 = 1999 SF18  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-15 00:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin