+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   146584 (2001 TQ101) Classification: Main-belt Asteroid          SPK-ID: 2146584 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07421226900622917 4.0388e-08   a 2.756543135336463 1.8502e-08 au q 2.551973814649599 1.1528e-07 au i 4.888340144383301 4.8095e-06 deg node 213.3644017316346 5.3562e-05 deg peri 251.1309761174558 6.5145e-05 deg M 307.9598986120212 3.7225e-05 deg tp 2459242.146911849610 (2021-Jan-27.64691185) 0.00017366 TDB period 1671.651014230247 4.58 1.6831e-05 4.608e-08 d yr n .2153559546433026 2.1683e-09 deg/d Q 2.961112456023327 1.9875e-08 au   Orbit Determination Parameters    # obs. used (total)      497      data-arc span      6630 days (18.15 yr)      first obs. used      2001-09-20      last obs. used      2019-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57638      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 11:37:32   Additional Information  Earth MOID = 1.57401 au   Jupiter MOID = 2.15256 au   T_jup = 3.334  [ hide covariance matrix ] Orbital Elements at Epoch 2457062.5 (2015-Feb-09.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07195338275002656 4.0238e-08   q 2.559306043684351 1.1463e-07 au tp 2457567.517162957183 (2016-Jun-28.01716296) 0.00017553 TDB node 213.3919593929938 5.3579e-05 deg peri 250.621555818462 6.5979e-05 deg i 4.884904786926671 4.8122e-06 deg   Orbit Determination Parameters    # obs. used (total)      497      data-arc span      6630 days (18.15 yr)      first obs. used      2001-09-20      last obs. used      2019-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57638      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 11:37:32   Additional Information  Jupiter MOID = 2.15256 au   T_jup = 3.334  Orbit Covariance (6×6)   e q tp node peri i e 1.619080914756243E-15 -4.561015398587466E-15 1.281868227562136E-12 2.452788708135009E-15 3.41212418219616E-13 8.587919583257725E-17 q -4.561015398587466E-15 1.314066933024528E-14 -2.793141730502969E-12 -7.002975880365731E-15 -8.044501063493262E-13 1.941376289179504E-17 tp 1.281868227562136E-12 -2.793141730502969E-12 3.081211166308819E-8 -3.170574993112333E-11 6.77513561701485E-9 3.715475134746968E-12 node 2.452788708135009E-15 -7.002975880365731E-15 -3.170574993112333E-11 2.870698221733103E-9 -2.866718781523128E-9 -6.692379040911155E-11 peri 3.41212418219616E-13 -8.044501063493262E-13 6.77513561701485E-9 -2.866718781523128E-9 4.353270425571598E-9 6.746665556111573E-11 i 8.587919583257725E-17 1.941376289179504E-17 3.715475134746968E-12 -6.692379040911155E-11 6.746665556111573E-11 2.315705132623E-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 15.9   n/a MPO493834   diameter diameter 3.799 km 1.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.070   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   146584 (2001 TQ101)          Discovered 2001-Oct-15 by LINEAR at Socorro Reference: 20070106/Numbers.arc Last Updated: 2007-01-09 Alternate Designations  2001 TQ101 = 2003 BN35  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 00:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin