+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   109199 (2001 QV77) Classification: Main-belt Asteroid          SPK-ID: 2109199 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1249154523253855 3.361e-08   a 2.767819135315336 1.234e-08 au q 2.422075756072564 9.4711e-08 au i 8.544013901940614 5.4308e-06 deg node 202.3829575525851 2.5653e-05 deg peri 259.5322414402573 3.6091e-05 deg M 16.17235531464063 2.3452e-05 deg tp 2459124.942816297621 (2020-Oct-02.44281630) 0.00010953 TDB period 1681.91865709457 4.60 1.1248e-05 3.08e-08 d yr n .2140412667886578 1.4314e-09 deg/d Q 3.113562514558109 1.3881e-08 au   Orbit Determination Parameters    # obs. used (total)      963      data-arc span      7500 days (20.53 yr)      first obs. used      2000-07-07      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52763      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:51:36   Additional Information  Earth MOID = 1.45632 au   Jupiter MOID = 2.10177 au   T_jup = 3.311  [ hide covariance matrix ] Orbital Elements at Epoch 2457164.5 (2015-May-22.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1224640135270391 3.3813e-08   q 2.428921188772085 9.5102e-08 au tp 2457444.102556808327 (2016-Feb-25.60255681) 0.00011225 TDB node 202.4146493304668 2.5649e-05 deg peri 259.7666914000969 3.6486e-05 deg i 8.541652026639543 5.4329e-06 deg   Orbit Determination Parameters    # obs. used (total)      963      data-arc span      7500 days (20.53 yr)      first obs. used      2000-07-07      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52763      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:51:36   Additional Information  Jupiter MOID = 2.10177 au   T_jup = 3.311  Orbit Covariance (6×6)   e q tp node peri i e 1.143319502277875E-15 -3.194846474854495E-15 8.664885825335857E-13 1.325799281139974E-15 2.270735143428843E-13 -2.671080246567897E-15 q -3.194846474854495E-15 9.044434656068702E-15 -2.453412725018803E-12 -3.336373488659797E-15 -6.483767837625164E-13 7.254573656038256E-15 tp 8.664885825335857E-13 -2.453412725018803E-12 1.260058627194598E-8 -1.287480317880112E-11 2.922757494467098E-9 -5.754215669833625E-12 node 1.325799281139974E-15 -3.336373488659797E-15 -1.287480317880112E-11 6.578501816804316E-10 -6.53167591929458E-10 -2.682454794899726E-11 peri 2.270735143428843E-13 -6.483767837625164E-13 2.922757494467098E-9 -6.53167591929458E-10 1.331235913182713E-9 2.516384814757152E-11 i -2.671080246567897E-15 7.254573656038256E-15 -5.754215669833625E-12 -2.682454794899726E-11 2.516384814757152E-11 2.95159548024563E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.0   n/a MPO502754   diameter diameter 3.315 km 0.541 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.279   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   109199 (2001 QV77)          Discovered 2001-Aug-16 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-06 12:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin