+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78438 (2002 RR6) Classification: Main-belt Asteroid          SPK-ID: 2078438 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .119853689160673 3.3566e-08   a 2.74529378197505 1.6306e-08 au q 2.416260194375484 9.7596e-08 au i 8.519898511365659 4.9713e-06 deg node 326.9131903050259 2.4973e-05 deg peri 105.0293601631766 3.3674e-05 deg M 247.4875173262305 2.3619e-05 deg tp 2459519.754027253290 (2021-Nov-01.25402725) 0.00011084 TDB period 1661.428539917594 4.55 1.4802e-05 4.053e-08 d yr n .2166810015300784 1.9305e-09 deg/d Q 3.074327369574616 1.826e-08 au   Orbit Determination Parameters    # obs. used (total)      745      data-arc span      8029 days (21.98 yr)      first obs. used      1998-11-14      last obs. used      2020-11-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53911      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:12:41   Additional Information  Earth MOID = 1.44808 au   Jupiter MOID = 2.18783 au   T_jup = 3.322  [ hide covariance matrix ] Orbital Elements at Epoch 2457445.5 (2016-Feb-27.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1217039154185907 3.3772e-08   q 2.409771248344362 9.8506e-08 au tp 2457853.200091751592 (2017-Apr-09.70009175) 0.00010279 TDB node 327.1498168341252 2.5044e-05 deg peri 103.7363171995731 3.3355e-05 deg i 8.508486059452943 4.9669e-06 deg   Orbit Determination Parameters    # obs. used (total)      745      data-arc span      8029 days (21.98 yr)      first obs. used      1998-11-14      last obs. used      2020-11-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53911      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:12:41   Additional Information  Jupiter MOID = 2.18783 au   T_jup = 3.322  Orbit Covariance (6×6)   e q tp node peri i e 1.140517876282555E-15 -3.29580992957886E-15 -4.063137405739867E-13 -2.081142461791786E-17 -6.042142161000495E-14 -7.117224558772668E-16 q -3.29580992957886E-15 9.703520538877046E-15 1.605263479367951E-12 3.597221282966783E-16 2.569200134587231E-13 2.802145583717539E-15 tp -4.063137405739867E-13 1.605263479367951E-12 1.056668910379082E-8 -6.67685701710035E-12 2.274478132319271E-9 1.916192528453899E-12 node -2.081142461791786E-17 3.597221282966783E-16 -6.67685701710035E-12 6.272249023383892E-10 -6.213470554784443E-10 1.743132905062334E-11 peri -6.042142161000495E-14 2.569200134587231E-13 2.274478132319271E-9 -6.213470554784443E-10 1.112536303356754E-9 -1.690223044363978E-11 i -7.117224558772668E-16 2.802145583717539E-15 1.916192528453899E-12 1.743132905062334E-11 -1.690223044363978E-11 2.467015925320212E-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 14.9   n/a MPO296677   78438 (2002 RR6)          Discovered 2002-Sep-01 by NEAT at Haleakala Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 23:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin