+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   49029 (1998 QN102) Classification: Main-belt Asteroid          SPK-ID: 2049029 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1480650833307081 2.6701e-08   a 2.429393180339444 8.4568e-09 au q 2.06968487664943 6.4202e-08 au i 3.477739546640084 4.3309e-06 deg node 24.00918788306276 5.774e-05 deg peri 67.69031044175971 6.0608e-05 deg M 184.7179084741623 1.8437e-05 deg tp 2459673.910966931673 (2022-Apr-04.41096693) 7.2545e-05 TDB period 1383.073113659572 3.79 7.2218e-06 1.977e-08 d yr n .2602899271517543 1.3591e-09 deg/d Q 2.789101484029458 9.709e-09 au   Orbit Determination Parameters    # obs. used (total)      1444      data-arc span      11903 days (32.59 yr)      first obs. used      1987-11-15      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49785      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:34:37   Additional Information  Earth MOID = 1.08923 au   Jupiter MOID = 2.3929 au   T_jup = 3.491  [ hide covariance matrix ] Orbital Elements at Epoch 2456762.5 (2014-Apr-15.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1489624029378034 2.6845e-08   q 2.065591159849151 6.4671e-08 au tp 2456910.524988927055 (2014-Sep-10.02498893) 6.5779e-05 TDB node 24.09402275350794 5.7702e-05 deg peri 67.75765041450448 6.0511e-05 deg i 3.480237870116409 4.3321e-06 deg   Orbit Determination Parameters    # obs. used (total)      1444      data-arc span      11903 days (32.59 yr)      first obs. used      1987-11-15      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49785      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:34:37   Additional Information  Jupiter MOID = 2.3929 au   T_jup = 3.491  Orbit Covariance (6×6)   e q tp node peri i e 7.206314945979173E-16 -1.725540819327252E-15 3.215897118696378E-13 1.724257137076516E-15 8.68806378623964E-14 -7.200308963110841E-16 q -1.725540819327252E-15 4.182280785143791E-15 -6.414778947501406E-13 -3.520479485263372E-15 -1.754673935584442E-13 1.662983258258264E-15 tp 3.215897118696378E-13 -6.414778947501406E-13 4.326910439388466E-9 6.771507417435529E-12 1.209316573057219E-9 -1.828529145994021E-12 node 1.724257137076516E-15 -3.520479485263372E-15 6.771507417435529E-12 3.329478179164486E-9 -3.321082645511081E-9 -8.654400593941037E-11 peri 8.68806378623964E-14 -1.754673935584442E-13 1.209316573057219E-9 -3.321082645511081E-9 3.66155343730523E-9 8.58730330914307E-11 i -7.200308963110841E-16 1.662983258258264E-15 -1.828529145994021E-12 -8.654400593941037E-11 8.58730330914307E-11 1.876688550444387E-11 [ 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 15.0   n/a MPO474370   49029 (1998 QN102)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 QN102 = 1987 VV1 = 2000 CS92  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-15 22:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin