+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78617 (2002 TV2) Classification: Main-belt Asteroid          SPK-ID: 2078617 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2162307383843998 3.6072e-08   a 3.047566375032498 1.559e-08 au q 2.388588847483752 1.0985e-07 au i 1.797092042842148 5.139e-06 deg node 38.97167505387385 0.00015851 deg peri 73.12648978389154 0.00015948 deg M 44.90270217042478 1.4572e-05 deg tp 2458758.119228891406 (2019-Oct-01.61922889) 7.8404e-05 TDB period 1943.247808738016 5.32 1.4912e-05 4.083e-08 d yr n .1852568665618571 1.4216e-09 deg/d Q 3.706543902581243 1.8962e-08 au   Orbit Determination Parameters    # obs. used (total)      857      data-arc span      10005 days (27.39 yr)      first obs. used      1992-12-29      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50065      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:26:11   Additional Information  Earth MOID = 1.40594 au   Jupiter MOID = 1.42261 au   T_jup = 3.201  [ 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 14.9   n/a MPO493425   diameter diameter 5.690 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.072   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78617 (2002 TV2)          Discovered 2002-Oct-01 by LONEOS at Anderson Mesa Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 TV2 = 1992 YN4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-27 14:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin