+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160639 (1999 VJ122) Classification: Main-belt Asteroid          SPK-ID: 2160639 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1475290195571998 6.0423e-08   a 2.644380878889567 1.7928e-08 au q 2.254257960491183 1.6219e-07 au i 3.199785823418227 6.3677e-06 deg node 88.89046481219417 0.00012585 deg peri 263.3161333431772 0.00012823 deg M 329.2113829655667 2.8794e-05 deg tp 2459134.829723262624 (2020-Oct-12.32972326) 0.00012649 TDB period 1570.668157015993 4.30 1.5973e-05 4.373e-08 d yr n .2292018198700481 2.3308e-09 deg/d Q 3.034503797287951 2.0573e-08 au   Orbit Determination Parameters    # obs. used (total)      222      data-arc span      21463 days (58.76 yr)      first obs. used      1960-09-24      last obs. used      2019-06-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54134      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 13:22:46   Additional Information  Earth MOID = 1.25147 au   Jupiter MOID = 2.39412 au   T_jup = 3.376  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.7   n/a MPO436810   160639 (1999 VJ122)          Discovered 1999-Nov-04 by Spacewatch at Kitt Peak Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-09 22:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin