+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102722 (1999 VL99) Classification: Main-belt Asteroid          SPK-ID: 2102722 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03685716522339298 4.5717e-08   a 2.709139117832508 1.8845e-08 au q 2.609287929753398 1.2043e-07 au i 1.855429808170898 6.2959e-06 deg node 182.371900186763 0.0001466 deg peri 311.5751211222191 0.00017037 deg M 142.1499767763085 8.552e-05 deg tp 2458357.383458764139 (2018-Aug-26.88345876) 0.00038687 TDB period 1628.716093350052 4.46 1.6994e-05 4.653e-08 d yr n .2210329973835575 2.3063e-09 deg/d Q 2.808990305911618 1.9539e-08 au   Orbit Determination Parameters    # obs. used (total)      360      data-arc span      7224 days (19.78 yr)      first obs. used      1999-10-14      last obs. used      2019-07-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58252      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:39:54   Additional Information  Earth MOID = 1.62349 au   Jupiter MOID = 2.18472 au   T_jup = 3.362  [ 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 16.3   n/a MPO248027   102722 (1999 VL99)          Discovered 1999-Nov-09 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-01 11:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin