+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   48655 (1995 VQ12) Classification: Main-belt Asteroid          SPK-ID: 2048655 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1134915735472269 3.3975e-08   a 2.255465858509541 7.4129e-09 au q 1.999489489145246 7.6061e-08 au i 7.483220771202291 4.0621e-06 deg node 201.7619829729128 2.7462e-05 deg peri 196.9389374266695 3.3002e-05 deg M 90.06421535312839 1.8387e-05 deg tp 2458690.970118055505 (2019-Jul-26.47011806) 6.2748e-05 TDB period 1237.236754499161 3.39 6.0995e-06 1.67e-08 d yr n .2909709873157864 1.4345e-09 deg/d Q 2.511442227873836 8.2542e-09 au   Orbit Determination Parameters    # obs. used (total)      1132      data-arc span      15178 days (41.56 yr)      first obs. used      1978-10-28      last obs. used      2020-05-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52894      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:36:22   Additional Information  Earth MOID = 1.00762 au   Jupiter MOID = 2.8807 au   T_jup = 3.604  [ hide covariance matrix ] Orbital Elements at Epoch 2456481.5 (2013-Jul-08.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1136134065612782 3.4064e-08   q 1.999156781206411 7.633e-08 au tp 2456215.132447478767 (2012-Oct-14.63244748) 6.0255e-05 TDB node 201.8000032582499 2.7451e-05 deg peri 196.5489357278684 3.2977e-05 deg i 7.483683220084283 4.0642e-06 deg   Orbit Determination Parameters    # obs. used (total)      1132      data-arc span      15178 days (41.56 yr)      first obs. used      1978-10-28      last obs. used      2020-05-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52894      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:36:22   Additional Information  Jupiter MOID = 2.8807 au   T_jup = 3.604  Orbit Covariance (6×6)   e q tp node peri i e 1.160364839455158E-15 -2.590650148055446E-15 -5.387389870454642E-13 5.910072137964332E-15 -1.68627504392921E-13 -2.859880578470365E-15 q -2.590650148055446E-15 5.826219212763021E-15 1.253815220652798E-12 -1.289252035089474E-14 3.933914255943138E-13 6.456939765693194E-15 tp -5.387389870454642E-13 1.253815220652798E-12 3.6306673569371E-9 1.81841726565621E-12 1.111891011165593E-9 2.107384378475696E-12 node 5.910072137964332E-15 -1.289252035089474E-14 1.81841726565621E-12 7.535780400228277E-10 -7.45962968865788E-10 -2.322955810299209E-11 peri -1.68627504392921E-13 3.933914255943138E-13 1.111891011165593E-9 -7.45962968865788E-10 1.087491183847953E-9 2.370642234701251E-11 i -2.859880578470365E-15 6.456939765693194E-15 2.107384378475696E-12 -2.322955810299209E-11 2.370642234701251E-11 1.651762978090529E-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 15.3   n/a MPO452833   diameter diameter 2.147 km 0.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.349   0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   48655 (1995 VQ12)          Discovered 1995-Nov-15 by Spacewatch at Kitt Peak Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1995 VQ12 = 1978 UM8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-26 19:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin