+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78547 (2002 RZ122) Classification: Main-belt Asteroid          SPK-ID: 2078547 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1382311896598573 4.8342e-08   a 2.757333626834074 1.6745e-08 au q 2.376184119307671 1.35e-07 au i 12.61452994724577 5.4721e-06 deg node 27.62361849506812 2.0077e-05 deg peri 343.1222626490931 2.5631e-05 deg M 303.3413203895055 1.6774e-05 deg tp 2459263.706343156883 (2021-Feb-18.20634316) 7.8944e-05 TDB period 1672.370132658849 4.58 1.5235e-05 4.171e-08 d yr n .2152633516766096 1.9609e-09 deg/d Q 3.138483134360477 1.906e-08 au   Orbit Determination Parameters    # obs. used (total)      762      data-arc span      9870 days (27.02 yr)      first obs. used      1993-10-09      last obs. used      2020-10-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58755      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:26:26   Additional Information  Earth MOID = 1.3799 au   Jupiter MOID = 2.3278 au   T_jup = 3.294  [ hide covariance matrix ] Orbital Elements at Epoch 2456968.5 (2014-Nov-07.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .140244839416806 4.8207e-08   q 2.36796493422214 1.3488e-07 au tp 2457595.457645218186 (2016-Jul-25.95764522) 7.2632e-05 TDB node 27.72758817667063 2.0042e-05 deg peri 343.6840392958761 2.5457e-05 deg i 12.63373587105225 5.478e-06 deg   Orbit Determination Parameters    # obs. used (total)      762      data-arc span      9870 days (27.02 yr)      first obs. used      1993-10-09      last obs. used      2020-10-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58755      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:26:26   Additional Information  Jupiter MOID = 2.3278 au   T_jup = 3.294  Orbit Covariance (6×6)   e q tp node peri i e 2.323933071491094E-15 -6.466823501677014E-15 -2.281384365927073E-13 -6.818636004258621E-15 -7.597683670653972E-14 -1.486303231074094E-15 q -6.466823501677014E-15 1.819243829510013E-14 8.825323872141264E-13 1.826724129413898E-14 2.479819701483936E-13 5.205714361312904E-15 tp -2.281384365927073E-13 8.825323872141264E-13 5.275351854991514E-9 7.667579215565412E-12 1.153613501901872E-9 -2.171858893405872E-12 node -6.818636004258621E-15 1.826724129413898E-14 7.667579215565412E-12 4.01684926756109E-10 -3.897757722122112E-10 -1.687797540785712E-11 peri -7.597683670653972E-14 2.479819701483936E-13 1.153613501901872E-9 -3.897757722122112E-10 6.480753451820089E-10 1.59345822863598E-11 i -1.486303231074094E-15 5.205714361312904E-15 -2.171858893405872E-12 -1.687797540785712E-11 1.59345822863598E-11 3.000813312833E-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 15.02   n/a E2020-QM9   78547 (2002 RZ122)          Discovered 2002-Sep-08 by NEAT at Haleakala Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 RZ122 = 1993 TU23  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-24 18:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin