+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117178 (2004 RC65) Classification: Main-belt Asteroid          SPK-ID: 2117178 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .179568658425821 3.686e-08   a 3.03745084260368 2.1679e-08 au q 2.492019869762958 1.152e-07 au i 9.987840209198732 4.3542e-06 deg node 166.2279128057639 2.7826e-05 deg peri 175.6470045361797 3.1699e-05 deg M 359.6354494669785 1.4277e-05 deg tp 2459002.458021926655 (2020-Jun-01.95802193) 7.6678e-05 TDB period 1933.580751489656 5.29 2.07e-05 5.667e-08 d yr n .1861830697904141 1.9932e-09 deg/d Q 3.582881815444403 2.5572e-08 au   Orbit Determination Parameters    # obs. used (total)      543      data-arc span      9073 days (24.84 yr)      first obs. used      1996-01-14      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48914      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:44:05   Additional Information  Earth MOID = 1.48418 au   Jupiter MOID = 1.841 au   T_jup = 3.194  [ hide covariance matrix ] Orbital Elements at Epoch 2457762.5 (2017-Jan-09.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1826004919690314 3.7086e-08   q 2.480483348941167 1.1653e-07 au tp 2457071.743637605188 (2015-Feb-18.24363761) 8.1481e-05 TDB node 166.4140693264529 2.7798e-05 deg peri 175.902760290069 3.1556e-05 deg i 9.997165423424047 4.3636e-06 deg   Orbit Determination Parameters    # obs. used (total)      543      data-arc span      9073 days (24.84 yr)      first obs. used      1996-01-14      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48914      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:44:05   Additional Information  Jupiter MOID = 1.841 au   T_jup = 3.194  Orbit Covariance (6×6)   e q tp node peri i e 1.375341192743541E-15 -4.271978054777764E-15 1.441458492203946E-12 1.377597569065914E-14 2.497488767784389E-13 -5.742064404419062E-16 q -4.271978054777764E-15 1.357921020096681E-14 -5.004792449421594E-12 -4.412985629198712E-14 -8.519039689733302E-13 2.726809773423597E-15 tp 1.441458492203946E-12 -5.004792449421594E-12 6.639222619636249E-9 3.247796946855699E-11 1.248477276222618E-9 -7.91261931056906E-13 node 1.377597569065914E-14 -4.412985629198712E-14 3.247796946855699E-11 7.727345907734786E-10 -7.54624136454861E-10 5.071481053040115E-11 peri 2.497488767784389E-13 -8.519039689733302E-13 1.248477276222618E-9 -7.54624136454861E-10 9.9576191143745E-10 -5.007954264719904E-11 i -5.742064404419062E-16 2.726809773423597E-15 -7.91261931056906E-13 5.071481053040115E-11 -5.007954264719904E-11 1.904063904662166E-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 15.4   n/a MPO439762   117178 (2004 RC65)          Discovered 2004-Sep-08 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2004 RC65 = 2003 KW31  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 08:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin