+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190184 (2005 VT78) Classification: Main-belt Asteroid          SPK-ID: 2190184 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2107428132731121 3.3751e-08   a 2.276498640922976 7.7216e-09 au q 1.796742912922452 7.5144e-08 au i 6.744082086558985 4.1409e-06 deg node 266.9952625844361 3.7445e-05 deg peri 140.7239429038765 3.9697e-05 deg M 149.930866727354 1.3132e-05 deg tp 2458677.997863333144 (2019-Jul-13.49786333) 4.4868e-05 TDB period 1254.583351019541 3.43 6.3831e-06 1.748e-08 d yr n .2869478538093501 1.4599e-09 deg/d Q 2.7562543689235 9.3489e-09 au   Orbit Determination Parameters    # obs. used (total)      690      data-arc span      8836 days (24.19 yr)      first obs. used      1996-01-15      last obs. used      2020-03-25      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48172      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:06:34   Additional Information  Earth MOID = .812253 au   Jupiter MOID = 2.63636 au   T_jup = 3.570  [ 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 16.50   n/a E2021B55   diameter diameter 2.386 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.113   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   190184 (2005 VT78)          Discovered 2005-Nov-06 by Spacewatch at Kitt Peak Reference: 20080819/Numbers.arc Last Updated: 2008-08-25 [ show close-approach data ] Alternate Designations  2005 VT78 = 1996 AB19 = 2001 NV12  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 03:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin