+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70651 (1999 TV248) Classification: Main-belt Asteroid          SPK-ID: 2070651 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1746300516366725 5.0824e-08   a 2.60834683471299 9.8611e-09 au q 2.15285109228071 1.3058e-07 au i 11.56652505595393 5.5956e-06 deg node 205.6321465178033 2.069e-05 deg peri 175.7453780782483 2.5253e-05 deg M 339.3751985714599 1.2849e-05 deg tp 2459088.652312839750 (2020-Aug-27.15231284) 5.496e-05 TDB period 1538.673365281282 4.21 8.7257e-06 2.389e-08 d yr n .2339677855762382 1.3268e-09 deg/d Q 3.063842577145271 1.1583e-08 au   Orbit Determination Parameters    # obs. used (total)      812      data-arc span      8180 days (22.40 yr)      first obs. used      1998-06-25      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55008      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:54:55   Additional Information  Earth MOID = 1.15622 au   Jupiter MOID = 2.39375 au   T_jup = 3.361  [ 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 15.1   n/a MPO395645   diameter diameter 5.194 km 0.317 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.060   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   70651 (1999 TV248)          Discovered 1999-Oct-08 by CSS at Catalina Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 TV248 = 1998 MN46  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-27 21:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin