+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78027 (2002 JZ72) Classification: Main-belt Asteroid          SPK-ID: 2078027 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1948314080472928 3.2041e-08   a 2.538764548932741 1.266e-08 au q 2.044133477163625 7.7956e-08 au i 15.31792194490592 5.4849e-06 deg node 98.48675036757233 2.4673e-05 deg peri 227.5044053277691 3.2902e-05 deg M 103.4093116061868 2.2279e-05 deg tp 2458576.086479227097 (2019-Apr-02.58647923) 9.1132e-05 TDB period 1477.515565137017 4.05 1.1052e-05 3.026e-08 d yr n .2436522555121885 1.8226e-09 deg/d Q 3.033395620701857 1.5127e-08 au   Orbit Determination Parameters    # obs. used (total)      952      data-arc span      8182 days (22.40 yr)      first obs. used      1998-05-26      last obs. used      2020-10-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52628      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:28:31   Additional Information  Earth MOID = 1.06095 au   Jupiter MOID = 2.32765 au   T_jup = 3.371  [ hide covariance matrix ] Orbital Elements at Epoch 2457271.5 (2015-Sep-06.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1962266563119132 3.2272e-08   q 2.039883354023727 7.8716e-08 au tp 2457099.473297829703 (2015-Mar-17.97329783) 9.0072e-05 TDB node 98.55931384607939 2.4706e-05 deg peri 227.5114302258729 3.2801e-05 deg i 15.3124554147029 5.4795e-06 deg   Orbit Determination Parameters    # obs. used (total)      952      data-arc span      8182 days (22.40 yr)      first obs. used      1998-05-26      last obs. used      2020-10-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52628      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:28:31   Additional Information  Jupiter MOID = 2.32765 au   T_jup = 3.371  Orbit Covariance (6×6)   e q tp node peri i e 1.041498955824709E-15 -2.522123457175077E-15 1.301712134078112E-12 8.298793834953183E-15 2.996900360940036E-13 -7.171034989314477E-15 q -2.522123457175077E-15 6.196276157521782E-15 -3.356695889855063E-12 -2.148748161384519E-14 -7.745575485394894E-13 1.840468329199239E-14 tp 1.301712134078112E-12 -3.356695889855063E-12 8.112929853015389E-9 6.516803745087153E-11 2.014810536781916E-9 -4.119744576869786E-11 node 8.298793834953183E-15 -2.148748161384519E-14 6.516803745087153E-11 6.103930953119269E-10 -5.718026539176135E-10 -1.028589902862172E-10 peri 2.996900360940036E-13 -7.745575485394894E-13 2.014810536781916E-9 -5.718026539176135E-10 1.075882860720712E-9 8.866306217502069E-11 i -7.171034989314477E-15 1.840468329199239E-14 -4.119744576869786E-11 -1.028589902862172E-10 8.866306217502069E-11 3.002474454427304E-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 15.4   n/a MPO449491   diameter diameter 2.343 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.223   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   78027 (2002 JZ72)          Discovered 2002-May-08 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-25 02:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin